OSWIECIM, POLAND - JANUARY 26: Barbed wire fences part of the former Nazi German Auschwitz Concentration Camp ahead of the 75th Anniversary of Auschwitz Liberation in Oswiecim, Poland on January 26, 2020. Omar Marques / Anadolu Agency/ABACAPRESS.COM

15 January 2020, Poland, Krakau: Federal President Frank-Walter Steinmeier and his wife Elke Budenbender get off the plane. They will participate in the commemoration of the 75th anniversary of the liberation of the former German concentration camp Auschwitz. Photo: Britta Pedersen/dpa-Zentralbild/dpa

15 January 2020, Poland, Krakau: Federal President Frank-Walter Steinmeier and his wife Elke Budenbender get off the plane. They will participate in the commemoration of the 75th anniversary of the liberation of the former German concentration camp Auschwitz. Photo: Britta Pedersen/dpa-Zentralbild/dpa

15 January 2020, Poland, Krakau: Federal President Frank-Walter Steinmeier and his wife Elke Budenbender get off the plane. They will participate in the commemoration of the 75th anniversary of the liberation of the former German concentration camp Auschwitz. Photo: Britta Pedersen/dpa-Zentralbild/dpa

15 January 2020, Poland, Krakau: Federal President Frank-Walter Steinmeier and his wife Elke Budenbender get off the plane. They will participate in the commemoration of the 75th anniversary of the liberation of the former German concentration camp Auschwitz. Photo: Britta Pedersen/dpa-Zentralbild/dpa

15 January 2020, Poland, Oswiecim: Federal President Frank-Walter Steinmeier (M) and his wife Elke Budenbender (4th from right) visit the gate with the lettering "Arbeit macht frei" during the commemoration of the 75th anniversary of the liberation of the former German concentration camp Auschwitz. Photo: Britta Pedersen/dpa-Zentralbild/dpa