France's President Emmanuel Macron, right, is welcomed by German Chancellor Angela Merkel in the guest house of the German government in Meseberg north of Berlin, Germany, Tuesday, June 19, 2018. (AP Photo/Jens Meyer)

German Chancellor Angela Merkel (L) welcomes French President Emmanuel Macron on June 19, 2018, at the Meseberg Palace, northeastern Germany, before holding a ministerial conference to coordinate European reform proposals ahead of EU summit on June 28-29, 2018. German Chancellor Angela Merkel hosted French President Emmanuel Macron on June 19, 2018 to hammer out reforms that can stop the "disintegration" of the European Union, torn by populist forces and deep discord over immigration. / AFP PHOTO / ludovic MARIN

German Chancellor Angela Merkel (L) gestures as she welcomes French President Emmanuel Macron on June 19, 2018, at the Meseberg Palace, northeastern Germany, before holding a ministerial conference to coordinate European reform proposals ahead of EU summit on June 28-29, 2018. German Chancellor Angela Merkel hosted French President Emmanuel Macron on June 19, 2018 to hammer out reforms that can stop the "disintegration" of the European Union, torn by populist forces and deep discord over immigration. / AFP PHOTO / ludovic MARIN

German Chancellor Angela Merkel (R) welcomes French President Emmanuel Macron at the Meseberg Palace, northeastern Germany, on June 19, 2018, before holding a ministerial conference to coordinate European reform proposals ahead of EU summit on June 28-29, 2018. German Chancellor Angela Merkel hosted French President Emmanuel Macron on June 19, 2018 to hammer out reforms that can stop the "disintegration" of the European Union, torn by populist forces and deep discord over immigration. / AFP PHOTO / ludovic MARIN

German Chancellor Angela Merkel (R) welcomes French President Emmanuel Macron at the Meseberg Palace, northeastern Germany, on June 19, 2018, before holding a ministerial conference to coordinate European reform proposals ahead of EU summit on June 28-29, 2018. German Chancellor Angela Merkel hosted French President Emmanuel Macron on June 19, 2018 to hammer out reforms that can stop the "disintegration" of the European Union, torn by populist forces and deep discord over immigration. / AFP PHOTO / ludovic MARIN

German Chancellor Angela Merkel welcomes French President Emmanuel Macron as he arrives at Meseberg Palace, northeastern Germany, on June 19, 2018, before holding a ministerial conference to coordinate European reform proposals ahead of the EU summit to take place from June 28 to 29, 2018. German Chancellor Angela Merkel is hosting French President Emmanuel Macron to hammer out reforms that can stop the "disintegration" of the European Union, torn by populist forces and deep discord over immigration. / AFP PHOTO / John MACDOUGALL

German Chancellor Angela Merkel welcomes French President Emmanuel Macron as he arrives at Meseberg Palace, northeastern Germany, on June 19, 2018, before holding a ministerial conference to coordinate European reform proposals ahead of the EU summit to take place from June 28 to 29, 2018. German Chancellor Angela Merkel is hosting French President Emmanuel Macron to hammer out reforms that can stop the "disintegration" of the European Union, torn by populist forces and deep discord over immigration. / AFP PHOTO / John MACDOUGALL

German Chancellor Angela Merkel (R) welcomes French President Emmanuel Macron at the Meseberg Palace, northeastern Germany, on June 19, 2018, before holding a ministerial conference to coordinate European reform proposals ahead of EU summit on June 28-29, 2018. German Chancellor Angela Merkel hosted French President Emmanuel Macron on June 19, 2018 to hammer out reforms that can stop the "disintegration" of the European Union, torn by populist forces and deep discord over immigration. / AFP PHOTO / ludovic MARIN

German Chancellor Angela Merkel welcomes French President Emmanuel Macron as he arrives at Meseberg Palace, northeastern Germany, on June 19, 2018, before holding a ministerial conference to coordinate European reform proposals ahead of the EU summit to take place from June 28 to 29, 2018. German Chancellor Angela Merkel is hosting French President Emmanuel Macron to hammer out reforms that can stop the "disintegration" of the European Union, torn by populist forces and deep discord over immigration. / AFP PHOTO / John MACDOUGALL

19 June 2018, Germany, Meseberg: German Chancellor Angela Merkel of the Christian Democratic Union (CDU) stands next to the President of France, Emmanuel Macron, during the press conference of the German and French Council of Ministers at the Meseberg castle. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: German Chancellor Angela Merkel (R) of the Christian Democratic Union (CDU) and President of France, Emmanuel Macron, deliver statements during the press conference at the German and French Council of Ministers at the Meseberg castle. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: German Chancellor Angela Merkel (R) of the Christian Democratic Union (CDU) and President of France, Emmanuel Macron, arrive at a press conference at the German and French Council of Ministers at the Meseberg castle. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: German Chancellor Angela Merkel (R) of the Christian Democratic Union (CDU) and President of France, Emmanuel Macron, deliver statements during the press conference at the German and French Council of Ministers at the Meseberg castle. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: President of France, Emmanuel Macron (R), speaks with Horst Seehofer, German Minister of the Interior, Homeland and Building, prior to the family portrait of the German and French Council of Ministers at the Meseberg castle. German Chancellor Angela Merkel of the Christian Democratic Union (CDU) can be seen on the right. Photo: Ralf Hirschberger/dpa

19 June 2018, Germany, Meseberg: President of France, Emmanuel Macron, greets Horst Seehofer (L) of the Christian Social Union (CSU), German Minister of the Interior, Homeland and Building, at the family portrait of the the German and French Council of Ministers at the Meseberg castle. Behind them German?Chancellor Angela Merkel of the Christian Democratic Union (CDU) greets the French Ministers. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: President of France, Emmanuel Macron (R), speaks with Horst Seehofer, German Minister of the Interior, Homeland and Building, prior to the family portrait of the German and French Council of Ministers at the Meseberg castle. German Chancellor Angela Merkel stands behind them. Photo: Ralf Hirschberger/dpa

19 June 2018, Germany, Meseberg: President of France, Emmanuel Macron (C), Horst Seehofer (L) of the Christian Social Union (CSU), German Minister of the Interior, Homeland and Building, and German Chancellor Angela Merkel (R) of the Christian Democratic Union (CDU) gathered for the family portrait of the German and French Council of Ministers with other members of the government at the Meseberg castle. Photo: Ralf Hirschberger/dpa

19 June 2018, Germany, Meseberg: President of France, Emmanuel Macron (C), Horst Seehofer (L) of the Christian Social Union (CSU), German Minister of the Interior, Homeland and Building, and German Chancellor Angela Merkel (R) of the Christian Democratic Union (CDU) gathered for the family portrait of the German and French Council of Ministers with other members of the government at the Meseberg castle. Photo: Ralf Hirschberger/dpa

19 June 2018, Germany, Meseberg: German Chancellor Angela Merkel of the Christian Democratic Union (CDU) stands next to President of France, Emmanuel Macron, and Horst Seehofer, German Minister of the Interior, Homeland and Building, during the family portrait of the German and French Council of Ministers at the Meseberg castle. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: German Chancellor Angela Merkel of the Christian Democratic Union (CDU) stands next to President of France, Emmanuel Macron, and Horst Seehofer, German Minister of the Interior, Homeland and Building, during the family portrait of the German and French Council of Ministers at the Meseberg castle. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: President of France, Emmanuel Macron (R), speaks with Horst Seehofer, German Minister of the Interior, Homeland and Building, prior to the family portrait of the German and French Council of Ministers at the Meseberg castle. German Chancellor Angela Merkel stands behind them. Photo: Ralf Hirschberger/dpa

19 June 2018, Germany, Meseberg: German Chancellor Angela Merkel of the Christian Democratic Union (CDU) speaks with?Horst Seehofer, German Minister of the Interior, Homeland and Building, prior to the family portrait of the the German and French Council of Ministers at the Meseberg castle. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: President of France, Emmanuel Macron, greets Horst Seehofer (L) of the Christian Social Union (CSU), German Minister of the Interior, Homeland and Building, at the family portrait of the the German and French Council of Ministers at the Meseberg castle. Behind them German?Chancellor Angela Merkel of the Christian Democratic Union (CDU) greets the French Ministers. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: German Chancellor Angela Merkel of the Christian Democratic Union (CDU) speaks with?Horst Seehofer, German Minister of the Interior, Homeland and Building, prior to the family portrait of the the German and French Council of Ministers at the Meseberg castle. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: German Chancellor Angela Merkel of the Christian Democratic Union (CDU) speaks with?Horst Seehofer, German Minister of the Interior, Homeland and Building, prior to the family portrait of the the German and French Council of Ministers at the Meseberg castle. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: President of France, Emmanuel Macron, greets Horst Seehofer (L) of the Christian Social Union (CSU), German Minister of the Interior, Homeland and Building, at the family portrait of the the German and French Council of Ministers at the Meseberg castle. Behind them German?Chancellor Angela Merkel of the Christian Democratic Union (CDU) greets the French Ministers. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: German Chancellor Angela Merkel (R) of the Christian Democratic Union (CDU) stands behind President of France, Emmanuel Macron, who greets Horst Seehofer of the Christian Social Union (CSU), German Minister of the Interior, Homeland and Building, at the German and French Council of Ministers at the Meseberg castle. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: German Chancellor from the Christian Democratic Union (CDU), Angela Merkel, standing next to the French President, Emmanuel Macron, on arrival in front of the Meseberg castle for the German and French Council of Ministers. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: German Chancellor from the Christian Democratic Union (CDU), Angela Merkel, and the French President, Emmanuel Macron, writing their names in the guest book for the start of the bilateral talks with the German and French Council of Ministers in the Meseberg castle. Photo: John Macdougall/AFP POOL/dpa

19 June 2018, Germany, Meseberg: German Chancellor from the Christian Democratic Union (CDU), Angela Merkel, and the French President, Emmanuel Macron, on arrival in front of the Meseberg castle for the German and French Council of Ministers. Photo: Ralf Hirschberger/dpa

19 June 2018, Germany, Meseberg: German Chancellor from the Christian Democratic Union (CDU), Angela Merkel, and the French President, Emmanuel Macron, on arrival in front of the Meseberg castle for the German and French Council of Ministers. Photo: Ralf Hirschberger/dpa

19 June 2018, Germany, Meseberg: German Chancellor from the Christian Democratic Union (CDU), Angela Merkel, and the French President, Emmanuel Macron, on arrival in front of the Meseberg castle for the German and French Council of Ministers. Photo: Ralf Hirschberger/dpa

HANDOUT - 19 June 2018, Germany, Meseberg: German Chancellor from the Christian Democratic Union (CDU), Angela Merkel (R), sitting next to the French President, Emmanuel Macron, for the start of the bilateral talks with the German and French Council of Ministers in the Meseberg castle. Photo: Jesco Denzel/Bundesregierung /dpa

19 June 2018, Germany, Meseberg: German Chancellor from the Christian Democratic Union (CDU), Angela Merkel, greeting the French President, Emmanuel Macron, on arrival in front of the Meseberg castle for the German and French Council of Ministers. Photo: Michael Kappeler/dpa

19 June 2018, Germany, Meseberg: German Chancellor from the Christian Democratic Union (CDU), Angela Merkel, gesticulating next to the French President, Emmanuel Macron, on arrival in front of the Meseberg castle for the German and French Council of Ministers. Photo: Michael Kappeler/dpa

Bundeskanzlerin Angela Merkel, der Franzoesische Praesident Emmanuel Macron und Franzoesische und Deutsche Minister posieren fuer ein Familiefoto im Schloss Meseberg in Brandenburg am 19. Juni 2018. Deutsch-Franzoesisches Ministertreffen in Meseberg *** Chancellor Angela Merkel of the French President Emmanuel Macron and French and German ministers posing for a family photo in the castle Meseberg in Brandenburg on 19 June 2018 German French ministerial meeting in Meseberg