16 February 2021, Berlin: A jogger runs along the banks of the Spree River in the early morning on fresh snow within sight of the Federal Chancellery. Photo: J?rg Carstensen/dpa

16 February 2021, Berlin: A cyclist rides on fresh snow within sight of the Federal Chancellery along the banks of the Spree. Photo: J?rg Carstensen/dpa

16 February 2021, Bavaria, Munich: Firefighters stand outside a student dormitory in the Freimann district of Munich after a fire. After a fire in a sauna in the student city, two young people are in mortal danger, three others have been slightly injured, according to the fire department. The fire broke out in the sauna in the basement of the dormitory on Tuesday night. It burned out completely. Photo: Matthias Balk/dpa

16 February 2021, North Rhine-Westphalia, Hamm: Police forces control a man. The detection of the British mutation of the coronavirus has led to a large-scale police operation in Hamm. According to the city, a construction worker on site had tested positive for the B.1.1.7 variant. As a result, four residential buildings had been quarantined. The residents are now being tested. Among other things, the officers monitored compliance with the quarantine. Photo: Bernd Thissen/dpa

16 February 2021, North Rhine-Westphalia, Hamm: Police officers talk to a man through a window. The detection of the British mutation of the coronavirus has led to a large-scale police operation in Hamm. According to the city, a construction worker on site had tested positive for variant B.1.1.7. As a result, four residential buildings had been quarantined. The residents are now being tested. Among other things, the officers monitored compliance with the quarantine. Photo: Bernd Thissen/dpa

16 February 2021, Saxony, Breitenau: Two police officers of the Federal Police checking travellers and commuters at the parking lot Am Heidenholz on the A17 near Breitenau. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa - ATTENTION: The license plate was pixelated for legal reasons

16 February 2021, Saxony, Breitenau: Checks of travellers and commuters by the Federal Police are taking place at the Am Heidenholz car park on the A17 near Breitenau. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa - ATTENTION: The license plate was pixelated for legal reasons

16 February 2021, Saxony, Breitenau: Two police officers of the Federal Police checking travellers and commuters at the parking lot Am Heidenholz on the A17 near Breitenau. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa - ATTENTION: The license plate was pixelated for legal reasons

16 February 2021, Saxony, Breitenau: Two police officers of the Federal Police checking travellers and commuters at the parking lot Am Heidenholz on the A17 near Breitenau. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa - ATTENTION: The license plate was pixelated for legal reasons

16 February 2021, Saxony, Breitenau: Two federal police officers during a check with a traveller at the Am Heidenholz car park on the A17 near Breitenau. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa - ATTENTION: The license plate was pixelated for legal reasons

16 February 2021, Saxony, Breitenau: Two police officers of the Federal Police checking travellers and commuters at the parking lot Am Heidenholz on the A17 near Breitenau. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa - ATTENTION: The license plate was pixelated for legal reasons

16 February 2021, Saxony, Breitenau: Two police officers of the Federal Police checking travellers and commuters at the parking lot Am Heidenholz on the A17 near Breitenau. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa - ATTENTION: The license plate was pixelated for legal reasons

16 February 2021, Saxony, Breitenau: Two police officers of the Federal Police checking travellers and commuters at the parking lot Am Heidenholz on the A17 near Breitenau. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa - ATTENTION: The license plate and the person in the car have been pixelated for legal reasons

16 February 2021, Bavaria, Waidhaus: Trucks standing in a traffic jam near the German-Czech border. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Armin Weigel/dpa

16 February 2021, Bavaria, Waidhaus: A police car announces a check at the German-Czech border in the early morning, trucks are parked next to it in a traffic jam. Germany's tightened entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Armin Weigel/dpa

16 February 2021, Bavaria, Bamberg: A carrion crow sits on a bridge railing. Photo: Nicolas Armer/dpa

16 February 2021, Bavaria, Bamberg: A seagull flies through the Little Venice district in dense clouds and light fog. Photo: Nicolas Armer/dpa

16 February 2021, Bavaria, Bamberg: Dense clouds and light fog hang over the Regnitz. Photo: Nicolas Armer/dpa

16 February 2021, Bavaria, Bamberg: Dense clouds and light fog hang over the Little Venice district. Photo: Nicolas Armer/dpa

16 February 2021, Saxony-Anhalt, Halle (Saale): Employees of Stadtwerke Halle clean up a completely overcrowded rubbish tip. More waste due to Corona-related home office and cancelled emptying due to all the snow quickly lead to such pictures. The employees of the Hallesche Wasser und Stadtwirtschaft (HWS) have to deal with more difficult challenges due to the current weather situation. In some cases, the full garbage cans have to be pulled onto the streets between parked cars, snow and ice. (Aerial view with drone) Photo: Jan Woitas/dpa-Zentralbild/dpa

16 February 2021, Saxony-Anhalt, Halle (Saale): Employees of Stadtwerke Halle arrive at a completely overcrowded rubbish bin site. The employees of the Hallesche Wasser und Stadtwirtschaft (HWS) have to deal with more difficult challenges due to the current weather situation. In some cases, the full rubbish bins have to be pulled onto the streets between parked cars, snow and ice. Photo: Jan Woitas/dpa-Zentralbild/dpa

16 February 2021, Lower Saxony, Hanover: Construction workers clear tram tracks of snow and ice and try to repair massive frost damage. The icy temperatures of the past few days have led to a prolonged outage of the trams of the Hanover transport company ?stra in Hanover. The cold has caused concrete slabs and edgings along the tracks to push up. It was not initially possible to predict how long the repairs would take. Photo: Julian Stratenschulte/dpa

16 February 2021, Lower Saxony, Hanover: Construction workers clear tram tracks of snow and ice and try to repair massive frost damage. The icy temperatures of the past few days have led to a prolonged outage of the trams of the Hanover transport company ?stra in Hanover. The cold has caused concrete slabs and edgings along the tracks to push up. It was not initially possible to predict how long the repairs would take. Photo: Julian Stratenschulte/dpa

16 February 2021, Lower Saxony, Hanover: Construction workers clear tram tracks of snow and ice and try to repair massive frost damage. The icy temperatures of the past few days have led to a prolonged outage of the trams of the Hanover transport company ?stra in Hanover. The cold has caused concrete slabs and edgings along the tracks to push up. It was not initially possible to predict how long the repairs would take. Photo: Julian Stratenschulte/dpa

16 February 2021, Lower Saxony, Hanover: Construction workers clear tram tracks of snow and ice. The icy temperatures of the past few days have led to a prolonged outage of the trams of the Hanover transport company ?stra in Hanover. The cold has caused concrete slabs and edgings along the tracks to push up. It was not initially possible to predict how long the repairs would take. Photo: Julian Stratenschulte/dpa

16 February 2021, Lower Saxony, Hanover: A notice that they are temporarily closed due to a decision by the federal government hangs on the front door of a downtown restaurant. The Lower Saxony Association of Cities and Towns is calling on the state government to provide short-term assistance for city centres in the Corona crisis. Photo: Julian Stratenschulte/dpa

16 February 2021, Lower Saxony, Hanover: "Clearance sale. We are closing!" is written on a closed shop in the city centre. The Lower Saxony Association of Cities is calling on the state government to provide short-term assistance for city centres in the Corona crisis. Photo: Julian Stratenschulte/dpa

16 February 2021, Lower Saxony, Hanover: "Clearance sale. We are closing!" is written on a closed shop in the city centre. The Lower Saxony Association of Cities is calling on the state government to provide short-term assistance for city centres in the Corona crisis. Photo: Julian Stratenschulte/dpa

16 February 2021, Lower Saxony, Hanover: A notice that the shop is closed because of the Corona pandemic is in the window of a shoe shop in the city centre. The Lower Saxony Association of Cities and Towns is calling on the state government to provide short-term assistance for city centres in the Corona crisis. Photo: Julian Stratenschulte/dpa

16 February 2021, Lower Saxony, Hanover: Stacked benches stand in front of a restaurant in the city centre. The Lower Saxony Association of Cities is calling on the state government to provide short-term assistance for city centres in the Corona crisis. Photo: Julian Stratenschulte/dpa

16 February 2021, Bavaria, Bamberg: Passers-by walk through Bamberg's city centre with umbrellas. Photo: Nicolas Armer/dpa

16 February 2021, Saxony, Breitenau: Two police officers wait at the exit of the parking lot Am Heidenholz on the A17 near Breitenau for commuters or travelers who have entered Germany and can show a negative Corona test. Germany's tightened entry rules at the border with the Czech Republic to protect against dangerous variants of the corona virus came into force on the night of Feb. 14, 2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa

16 February 2021, Saxony, Breitenau: Two police officers wait at the exit of the parking lot Am Heidenholz on the A17 near Breitenau for commuters or travelers who have entered Germany and can show a negative Corona test. Germany's tightened entry rules at the border with the Czech Republic to protect against dangerous variants of the corona virus came into force on the night of Feb. 14, 2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa

16 February 2021, Saxony, Breitenau: A police officer of the Federal Police checking a commuter at the parking lot Am Heidenholz on the A17 near Breitenau. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa

16 February 2021, Saxony, Breitenau: A police officer of the Federal Police checking a commuter at the parking lot Am Heidenholz on the A17 near Breitenau. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa

16 February 2021, Baden-Wuerttemberg, Riedlingen: On a screen of a laptop Winfried Kretschmann (Bundnis 90/Die Grunen), Prime Minister of Baden-Wurttemberg, can be seen eating a portion of frog tripe in front of his laptop at the Ministry of State on Shrove Tuesday. Kretschmann joins hundreds of other fools in the digital frog tripe meal. The laptop is with Riedlingen fools Paul and Jonas Lenz, who are also sitting at home in their kitchen scooping up and eating frog tripe. The participants of the digital community dinner who live furthest away come from Beijing and Chile. Photo: Felix Kastle/dpa

16 February 2021, Hessen, Wiesbaden: Farmers demonstrate with about twenty tractors in front of the Hessian Ministry for the Environment, Climate Protection, Agriculture and Consumer Protection. Representatives of the Farmers' Association presented the Ministry's State Secretary Conz with a position paper and discussed the new rules on insect and water protection with him. Photo: Helmut Fricke/dpa

16 February 2021, North Rhine-Westphalia, Hamm: A police officer in a protective suit escorts a woman to a house. The detection of the British mutation of the coronavirus has led to a large-scale police operation in Hamm. According to the city, a construction worker on site had tested positive for the B.1.1.7 variant. As a result, four residential buildings had been quarantined. The residents are now being tested. Among other things, the officers monitored compliance with the quarantine. Photo: Bernd Thissen/dpa

16 February 2021, Mecklenburg-Western Pomerania, Stralsund: A clearing and gritting vehicle is on the road early this morning on a snowy road in the city limits. Photo: Stefan Sauer/dpa-Zentralbild/dpa

16 February 2021, Mecklenburg-Western Pomerania, Stralsund: A clearing and gritting vehicle is on the road early this morning on a snowy road in the city limits. Photo: Stefan Sauer/dpa-Zentralbild/dpa

16 February 2021, Mecklenburg-Western Pomerania, Stralsund: A clearing and gritting vehicle is on the road early this morning on a snowy road in the city limits. Photo: Stefan Sauer/dpa-Zentralbild/dpa

16 February 2021, Mecklenburg-Western Pomerania, Stralsund: Cleared snow lies in front of the town hall on the Alter Markt in the centre of Stralsund in the early morning. Photo: Stefan Sauer/dpa-Zentralbild/dpa

16 February 2021, Bavaria, Waidhaus: A police car announces a check at the German-Czech border in the early morning, vehicles are jammed next to it. Germany's stricter entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Armin Weigel/dpa

16 February 2021, Lower Saxony, Laatzen: Cars driving along the Messeschnellweg in the early morning (long shutter speed shot). The German Weather Service (DWD) warns that black ice is to be expected locally due to freezing wet conditions. Photo: Julian Stratenschulte/dpa

16 February 2021, Lower Saxony, Laatzen: Cars driving along the Messeschnellweg in the early morning (long shutter speed shot). The German Weather Service (DWD) warns that black ice is to be expected locally due to freezing wet conditions. Photo: Julian Stratenschulte/dpa

16 February 2021, Lower Saxony, Laatzen: Cars driving along the Messeschnellweg in the early morning (long shutter speed shot). The German Weather Service (DWD) warns that black ice is to be expected locally due to freezing wet conditions. Photo: Julian Stratenschulte/dpa

16 February 2021, Lower Saxony, Laatzen: Cars driving along the Messeschnellweg in the early morning (long shutter speed shot). The German Weather Service DWD warns that black ice is to be expected locally due to freezing wet conditions. Photo: Julian Stratenschulte/dpa

16 February 2021, Lower Saxony, Laatzen: A car drives over an icy bridge in the morning (long shutter speed shot). The German Weather Service DWD warns that black ice is to be expected locally due to freezing wet conditions. Photo: Julian Stratenschulte/dpa

16 February 2021, Bavaria, Waidhaus: Police officers check drivers of trucks in a parking lot shortly after the German-Czech border. Germany's tightened entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force on the night of 14.02.2021. Photo: Armin Weigel/dpa

16 February 2021, Schleswig-Holstein, Strande: Snow lies on the boats in the icy harbour at the promenade in Strande. (Aerial view with a drone) Photo: Axel Heimken/dpa

16 February 2021, Bavaria, Waidhaus: A police officer checks a vehicle in a parking lot shortly after the German-Czech border. Germany's tightened entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force on the night of 14.02.2021. Photo: Armin Weigel/dpa

16 February 2021, Schleswig-Holstein, Strande: Snow lies on the boats in the icy harbour at the promenade in Strande. (Aerial view with a drone) Photo: Axel Heimken/dpa

16 February 2021, Mecklenburg-Western Pomerania, Wustrow: On the breakwater and on the Baltic Sea beach of the Fischland peninsula there is snow and ice. The short ice winter in the north is replaced by thaw. Photo: Bernd Wustneck/dpa-Zentralbild/dpa

16 February 2021, Mecklenburg-Western Pomerania, Wustrow: On the breakwater and on the Baltic Sea beach of the Fischland peninsula there is snow and ice. The short ice winter in the north is replaced by thaw. Photo: Bernd Wustneck/dpa-Zentralbild/dpa

16 February 2021, Mecklenburg-Western Pomerania, Wustrow: Walkers are out and about on the snow-covered Baltic Sea beach of the Fischland peninsula. The short ice winter in the north is replaced by thaw. Photo: Bernd Wustneck/dpa-Zentralbild/dpa

16 February 2021, Mecklenburg-Western Pomerania, Wustrow: Walkers are out and about on the snow-covered Baltic Sea beach of the Fischland peninsula. The short ice winter in the north is replaced by thaw. Photo: Bernd Wustneck/dpa-Zentralbild/dpa

16 February 2021, Mecklenburg-Western Pomerania, Wustrow: Walkers are out and about on the snow-covered Baltic Sea beach of the Fischland peninsula. The short ice winter in the north is replaced by thaw. Photo: Bernd Wustneck/dpa-Zentralbild/dpa

16 February 2021, Mecklenburg-Western Pomerania, Wustrow: On the breakwater and on the Baltic Sea beach of the Fischland peninsula there is snow and ice. The short ice winter in the north is replaced by thaw. Photo: Bernd Wustneck/dpa-Zentralbild/dpa

16 February 2021, Mecklenburg-Western Pomerania, Dierhagen: Fishing boats are frozen in the ice of the Bodden harbour on the Fischland peninsula. The short ice winter in the north is replaced by thaw. Photo: Bernd Wustneck/dpa-Zentralbild/dpa

16 February 2021, North Rhine-Westphalia, Wurselen: A Post employee operates a new postal station. The yellow container is an extension of the already familiar Packstation. At the new postal station, which has no staff on site, you can not only pick up and drop off parcels, but you can also get stamps and there is an integrated mailbox. In addition, video counselling will be possible from the end of February. Photo: Federico Gambarini/dpa

16 February 2021, North Rhine-Westphalia, Wurselen: A Post employee operates a new postal station. The yellow container is an extension of the already familiar Packstation. At the new postal station, which has no staff on site, you can not only pick up and drop off parcels, but you can also get stamps and there is an integrated mailbox. In addition, a video consultation will be possible from the end of February. Photo: Federico Gambarini/dpa

16 February 2021, North Rhine-Westphalia, Wurselen: A Post employee operates a new postal station. The yellow container is an extension of the already familiar Packstation. At the new postal station, which has no staff on site, you can not only pick up and drop off parcels, but you can also get stamps and there is an integrated mailbox. In addition, video counselling will be possible from the end of February. Photo: Federico Gambarini/dpa

16 February 2021, North Rhine-Westphalia, Wurselen: A Post employee operates a new postal station. The yellow container is an extension of the already familiar Packstation. At the new postal station, which has no staff on site, you can not only pick up and drop off parcels, but you can also get stamps and there is an integrated mailbox. In addition, a video consultation will be possible from the end of February. Photo: Federico Gambarini/dpa

16 February 2021, North Rhine-Westphalia, Wurselen: A Post employee operates a new postal station. The yellow container is an extension of the already familiar Packstation. At the new postal station, which has no staff on site, you can not only pick up and drop off parcels, but you can also get stamps and there is an integrated mailbox. In addition, a video consultation will be possible from the end of February. Photo: Federico Gambarini/dpa

16 February 2021, Slovenia, Pokljuka: Biathlon: World Championship, individual 15 km, women: Hanna ?berg from Sweden is on the track. Photo: Sven Hoppe/dpa

16 February 2021, Schleswig-Holstein, Strande: Snow lies on the boats in the icy harbour at the promenade in Strande. (Aerial view with a drone) Photo: Axel Heimken/dpa

16 February 2021, Schleswig-Holstein, Strande: Snow lies on the boats in the icy harbour at the promenade in Strande. (Aerial view with a drone) Photo: Axel Heimken/dpa

16 February 2021, Schleswig-Holstein, Strande: Snow lies on the boats in the icy harbour at the promenade in Strande. (Aerial view with a drone) Photo: Axel Heimken/dpa

16 February 2021, Bavaria, Waidhaus: Police officers check vehicles in a parking lot shortly after the German-Czech border. Germany's tightened entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Armin Weigel/dpa

16 February 2021, Schleswig-Holstein, Strande: Snow lies on the boats in the icy harbour at the promenade in Strande. (Aerial view with a drone) Photo: Axel Heimken/dpa

16 February 2021, Bavaria, Waidhaus: Police officers check vehicles in a parking lot shortly after the German-Czech border. Germany's tightened entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Armin Weigel/dpa

16 February 2021, Bavaria, Waidhaus: Police officers check vehicles in a parking lot shortly after the German-Czech border. Germany's tightened entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Armin Weigel/dpa

16 February 2021, Bavaria, Munich: An emergency vehicle of the fire department stands in front of a student dormitory in the Munich district of Freimann after a fire. After a fire in a sauna in the student city, two young people are in mortal danger, three others have been slightly injured, according to the fire department. The fire broke out in the sauna in the basement of the dormitory on Tuesday night. It burned out completely. Photo: Matthias Balk/dpa

16 February 2021, Bavaria, Munich: A firefighter stands in the completely sooty stairwell of a student dormitory in the Freimann district of Munich after a fire. After a fire in a sauna in the student city, two young people are in mortal danger, three others were slightly injured, according to the fire department. The fire broke out in the sauna in the basement of the dormitory on Tuesday night. It burned out completely. Photo: Matthias Balk/dpa

16 February 2021, Bavaria, Munich: A firefighter stands in the completely sooty stairwell of a student dormitory in the Freimann district of Munich after a fire. After a fire in a sauna in the student city, two young people are in mortal danger, three others were slightly injured, according to the fire department. The fire broke out in the sauna in the basement of the dormitory on Tuesday night. It burned out completely. Photo: Matthias Balk/dpa

16 February 2021, Bavaria, Munich: The stairwell of a student dormitory in the Munich district of Freimann is heavily sooted after a fire. After a fire in a sauna in the student city, two young people are in mortal danger, three others have been slightly injured, according to the fire department. The fire broke out in the sauna in the basement of the dormitory on Tuesday night. It burned out completely. Photo: Matthias Balk/dpa

16 February 2021, Bavaria, Munich: The stairwell of a student dormitory in the Munich district of Freimann is heavily sooted after a fire. After a fire in a sauna in the student city, two young people are in mortal danger, three others have been slightly injured, according to the fire department. The fire broke out in the sauna in the basement of the dormitory on Tuesday night. It burned out completely. Photo: Matthias Balk/dpa

16 February 2021, Bavaria, Munich: Traces of fire are seen in the basement of a student dormitory in the Freimann district of Munich after a fire. After a fire in a sauna in the student city, two young people are in mortal danger, three others have been slightly injured, according to the fire department. The fire broke out in the sauna in the basement of the dormitory on Tuesday night. It burned out completely. Photo: Matthias Balk/dpa

16 February 2021, Bavaria, Munich: Traces of fire are seen at the basement entrance of a student dormitory in the Freimann district of Munich after a fire. After a fire in a sauna in the student city, two young people are in mortal danger, three others have been slightly injured, according to the fire department. The fire broke out in the sauna in the basement of the dormitory on Tuesday night. It burned out completely. Photo: Matthias Balk/dpa

16 February 2021, Berlin: During a Greenpeace action on the supply chain law in the early morning, the slogan "Supply chain law. Vertigo" is projected onto the outer facade of the Federal Chancellery. Photo: J?rg Carstensen/dpa

16 February 2021, Berlin: During a Greenpeace action on the supply chain law in the early morning, the slogan "Supply chain law. Vertigo" is projected onto the outer facade of the Federal Chancellery. Photo: J?rg Carstensen/dpa

16 February 2021, Berlin: During a Greenpeace action on the supply chain law in the early morning, the slogan "Supply chain law. Vertigo" is projected onto the outer facade of the Federal Chancellery. Photo: J?rg Carstensen/dpa

16 February 2021, Berlin: During an early morning Greenpeace action on the supply chain law, the slogan "Supply chain law. Vertigo" is projected on the outer facade of the Federal Chancellery while a man walks on a sidewalk. Photo: J?rg Carstensen/dpa

16 February 2021, Berlin: During a Greenpeace action on the supply chain law in the early morning, the slogan "Supply chain law. Vertigo" is projected onto the outer facade of the Federal Chancellery. Photo: J?rg Carstensen/dpa

16 February 2021, Berlin: Snow that fell last night lies on one of the benches on Pariser Platz in front of the Brandenburg Gate. Photo: J?rg Carstensen/dpa

16 February 2021, Berlin: Snow that fell last night lies on one of the benches on Pariser Platz in front of the Brandenburg Gate. Photo: J?rg Carstensen/dpa

dpatop - 16 February 2021, Berlin: A snow removal vehicle cleans the bicycle path in front of the Victory Column at Gro?er Stern in the early morning as the thaw and fog set in. Photo: Kay Nietfeld/dpa

16 February 2021, Hessen, Friedberg: "Where to go in the evening?" is written on a sign on a balcony on the outskirts of Friedberg. Actually intended as a tip for going out in a nearby pub, the question probably also arises for many people at the end of the day in view of the corona-induced lockdown and the closure of bars and restaurants. Photo: Frank Rumpenhorst/dpa

16 February 2021, Greece, Athen: People walking during a snowstorm. Photo: Socrates Baltagiannis/

16 February 2021, Greece, Athen: People walking during a snowstorm. Photo: Socrates Baltagiannis/

16 February 2021, Greece, Athen: A man goes for a walk during a snowstorm. Photo: Socrates Baltagiannis/dpa

16 February 2021, Greece, Athen: A woman goes for a walk during a snowstorm. Photo: Socrates Baltagiannis/dpa

16 February 2021, Greece, Athen: People enter the subway in the center of the city during a snowstorm. Photo: Socrates Baltagiannis/

16 February 2021, Mecklenburg-Western Pomerania, Dierhagen: On the ice-covered Bodden behind the Fischland peninsula, a horse-drawn sleigh is on the move. The short ice winter in the north is replaced by thaw. Photo: Bernd Wustneck/dpa-Zentralbild/ZB

16 February 2021, Brandenburg, Wolzig: A snowman over eight meters high, built by Michael Freudenberg and his neighbors, stands in a snowy garden. Photo: Toni Feist/dpa-Zentralbild/dpa

16 February 2021, Saxony-Anhalt, Halle (Saale): A van drives through a puddle between piles of snow. The beginning thaw continues until the end of the week. At the weekend, double-digit temperatures above zero are expected. Photo: Jan Woitas/dpa-Zentralbild/dpa

16 February 2021, North Rhine-Westphalia, Osnabruck: View of the Froneri ice factory. There has been a major corona outbreak at the plant. The plant had been closed. According to the operator Froneri, the Osnabruck site is one of the largest ice cream plants in Europe. Photo: Friso Gentsch/dpa

16 February 2021, Thuringia, Gera: Snow lies on the street in front of the Justice Center, where the district court is located. In a trial for attempted manslaughter starting here, the defendant is alleged to have severely injured a then 21-year-old with a machete in May 2020 in the shared accommodation in Rudolstadt. The victim required multiple surgeries. A total of five trial days are scheduled. Photo: Bodo Schackow/dpa-Zentralbild/dpa

16 February 2021, Thuringia, Gera: Snow lies on the street in front of the justice center, where the district court is located. In a manslaughter trial starting here, the defendant is alleged to have severely injured a then 21-year-old with a machete in May 2020 in the shared accommodation in Rudolstadt. The victim required multiple surgeries. A total of five trial days are scheduled. Photo: Bodo Schackow/dpa-Zentralbild/dpa

16 February 2021, Berlin: A car drives on a snow-covered road. New snow from last night and mirror-slick roads are causing obstructions in the morning rush hour traffic at temperatures around minus one degree Celsius. According to meteorologists, the snow will change to rain in the coming days and temperatures in the double-digit plus range are expected. Photo: Wolfgang Kumm/dpa

16 February 2021, Berlin: Clearing vehicles are removing last night's fresh snow, which caused obstructions in the morning rush hour traffic on mirror-slick roads at temperatures around minus one degree Celsius. According to meteorologists, the snow will change to rain in the coming days and temperatures in the double-digit plus range are expected. Photo: Wolfgang Kumm/dpa

16 February 2021, North Rhine-Westphalia, Cologne: Christoph Biemann, director, author and presenter of the "Sendung mit der Maus". The mouse has been a superstar on children's television for 50 years. The "Lach- und Sachgeschichten" once had their television premiere on 7 March 1971. Photo: Rolf Vennenbernd/dpa

16 February 2021, Bavaria, Waidhaus: Trucks standing in a traffic jam near the German-Czech border. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Armin Weigel/dpa

16 February 2021, Bavaria, Waidhaus: A police car announces a check at the German-Czech border in the early morning, vehicles are jammed next to it. Germany's stricter entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Armin Weigel/dpa

16 February 2021, Hamburg: Slush and wetness hinder traffic on Edmund-Siemers-Allee in front of Dammtor station. Heavy snowfall had surprised Hamburg in the evening. Photo: Christian Charisius/dpa

16 February 2021, Schleswig-Holstein, Kiel: A car drives over a road through the snowy landscape in dense fog. (Aerial view with a drone) Photo: Axel Heimken/dpa

16 February 2021, Schleswig-Holstein, Kiel: A car drives over a road through the snowy landscape in dense fog. (Aerial view with a drone) Photo: Axel Heimken/dpa

16 February 2021, Schleswig-Holstein, Kiel: A car drives over a road through the snowy landscape in dense fog. (Aerial view with a drone) Photo: Axel Heimken/dpa

16 February 2021, Schleswig-Holstein, Kiel: A car drives over a road through the snowy landscape in dense fog. (Aerial view with a drone) Photo: Axel Heimken/dpa

16 February 2021, North Rhine-Westphalia, Hamm: Two police officers stand in front of a building wearing protective suits. The detection of the British mutation of the coronavirus has led to a large-scale police operation in Hamm. According to the city, a construction worker on site had tested positive for the B.1.1.7 variant. As a result, four residential buildings had been quarantined. The residents are now being tested. Among other things, the officers monitored compliance with the quarantine. Photo: Bernd Thissen/dpa

16 February 2021, North Rhine-Westphalia, Hamm: Two police officers in protective suits check the identity card of a passer-by (not in the picture), which he has also placed on a post for this purpose. The detection of the British mutation of the coronavirus has led to a large-scale police operation in Hamm. According to the city, a construction worker on site had tested positive for the B.1.1.7 variant. As a result, four residential buildings had been quarantined. The residents are now being tested. Among other things, the officers monitored compliance with the quarantine. Photo: Bernd Thissen/dpa

16 February 2021, North Rhine-Westphalia, Hamm: Two police officers stand in front of a residential building wearing protective suits. The detection of the British mutation of the coronavirus has led to a large-scale police operation in Hamm. According to the city, a construction worker on site had tested positive for the B.1.1.7 variant. As a result, four residential buildings had been quarantined. The residents are now being tested. Among other things, the officers monitored compliance with the quarantine. Photo: Bernd Thissen/dpa

16 February 2021, Hamburg: A small snowplough cleans and grits the cycle path on Edmund-Siemers-Allee in front of Dammtor station. Heavy snowfall had surprised Hamburg in the evening. Photo: Christian Charisius/dpa

16 February 2021, Hamburg: A small snowplough cleans and grits the cycle path on Edmund-Siemers-Allee in front of Dammtor station. Heavy snowfall had surprised Hamburg in the evening. Photo: Christian Charisius/dpa

16 February 2021, Hamburg: Slush and wetness hinder traffic on Grindelallee. Heavy snowfall had surprised Hamburg in the evening. Photo: Christian Charisius/dpa

16 February 2021, Berlin: The Reichstag building is only dimly visible in the early morning fog as the thaw sets in. Photo: Kay Nietfeld/dpa

16 February 2021, Berlin: A snow removal vehicle cleans the bicycle path in front of the Victory Column at Gro?er Stern in the early morning as the thaw and fog set in. Photo: Kay Nietfeld/dpa

16 February 2021, Hamburg: An adult and a child walk with their sled over the snow remains on a small hill in the Schanzenpark. Heavy snowfall had surprised Hamburg in the evening. Photo: Christian Charisius/dpa

16 February 2021, Saxony, Breitenau: Two police officers wait at the exit of the parking lot Am Heidenholz on the A17 near Breitenau for commuters or travelers who have entered Germany and can show a negative Corona test. Germany's tightened entry rules at the border with the Czech Republic to protect against dangerous variants of the corona virus came into force on the night of Feb. 14, 2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa

16 February 2021, Saxony, Breitenau: Several trucks drive away from the checkpoint on the motorway after being checked by the Federal Police. Germany's tightened entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force on the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa

16 February 2021, North Rhine-Westphalia, Hamm: Two policemen are talking at a police vehicle. The detection of the British mutation of the coronavirus has led to a large-scale police operation in Hamm. According to the city, a construction worker on site had tested positive for variant B.1.1.7. As a result, four residential buildings had been quarantined. The residents are now being tested. Among other things, the officers monitored compliance with the quarantine. Photo: Bernd Thissen/dpa

16 February 2021, Saxony, Breitenau: Two police officers of the Federal Police checking travellers and commuters at the parking lot Am Heidenholz on the A17 near Breitenau. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa

16 February 2021, Saxony, Breitenau: Two police officers of the Federal Police checking travellers and commuters at the parking lot Am Heidenholz on the A17 near Breitenau. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa

16 February 2021, Saxony, Breitenau: A federal police officer talks to a traveller during a check at the Am Heidenholz car park on the A17 near Breitenau. Germany's tightened entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force on the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa

16 February 2021, Saxony, Breitenau: A federal police officer talks to a traveller during a check at the Am Heidenholz car park on the A17 near Breitenau. Germany's tightened entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force on the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa

16 February 2021, Saxony, Breitenau: A federal police officer talks to a traveller during a check at the Am Heidenholz car park on the A17 near Breitenau. Germany's tightened entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force on the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa

16 February 2021, Saxony, Breitenau: Two police officers of the Federal Police checking travellers and commuters at the parking lot Am Heidenholz on the A17 near Breitenau. The tightened German entry rules at the border with the Czech Republic to protect against dangerous variants of the coronavirus came into force in the night of 14.02.2021. Photo: Daniel Schafer/dpa-Zentralbild/dpa

dpatop - 16 February 2021, Berlin: Snow that fell last night lies on one of the benches on Pariser Platz in front of the Brandenburg Gate. Photo: J?rg Carstensen/dpa