A woman holds a Russian flag at the Soviet War Memorial at Tiergarten Park on Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 9, 2022. REUTERS/Fabrizio Bensch 

Participants of the Immortal Regiment arrive at the Soviet War Memorial at Tiergarten Park on Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 9, 2022. REUTERS/Fabrizio Bensch 

A participant of the Immortal Regiment stands with pictures of relatives in front of the Soviet War Memorial at Tiergarten Park on Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 9, 2022. REUTERS/Fabrizio Bensch 

A bird is pictured in the cannon of former Red Army Soviet Union T-34 tank near Soviet War Memorial at Tiergarten Park on Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 9, 2022. REUTERS/Fabrizio Bensch 

Sergei Netschajew, Russian Ambassador to Germany visits Soviet War Memorial at Tiergarten Park on Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 9, 2022. REUTERS/Fabrizio Bensch 

People carry banners and portraits of deceased relatives as they attend the Immortal Regiment march, to mark Victory Day and the 77th anniversary of the end of World War Two, from Brandenburg Gate to the Soviet War Memorial at Tiergarten Park, in Berlin, Germany May 9, 2022. REUTERS/Fabrizio Bensch 

People carry portraits of deceased relatives as they attend the Immortal Regiment march, to mark Victory Day and the 77th anniversary of the end of World War Two, from Brandenburg Gate to the Soviet War Memorial at Tiergarten Park, in Berlin, Germany May 9, 2022. REUTERS/Fabrizio Bensch 

People carry portraits of deceased relatives as they attend the Immortal Regiment march, to mark Victory Day and the 77th anniversary of the end of World War Two, from Brandenburg Gate to the Soviet War Memorial at Tiergarten Park, in Berlin, Germany May 9, 2022. REUTERS/Fabrizio Bensch 

People bring flowers at the Soviet War Memorial at Tiergarten Park on Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 9, 2022. REUTERS/Fabrizio Bensch 

Sergei Netschajew, Russian Ambassador to Germany visits Soviet War Memorial at Tiergarten Park on Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 9, 2022. REUTERS/Fabrizio Bensch 

People bring flowers at the Soviet War Memorial at Tiergarten Park on Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 9, 2022. REUTERS/Fabrizio Bensch 

Orthodox priests arrive at the Soviet War Memorial at Tiergarten Park on Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 9, 2022. REUTERS/Fabrizio Bensch 

A Russian embassy staff member carries a wreath to the Soviet War Memorial at Tiergarten Park on Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 9, 2022. REUTERS/Fabrizio Bensch 

A view shows the room where the high Command of the German Wehrmacht signed the unconditional surrender in 1945, at Berlin Karlshorst Museum on the occasion of Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

A Ukrainian flag is seen in front of the building of Berlin Karlshorst Museum, where the high Command of the German Wehrmacht signed the unconditional surrender in 1945, as people walk past a sign reading "place of the capitulation May 1945" on the occasion of the Victory Day and the 77th anniversary of the end of World War Two at at in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

A view shows the room where the high Command of the German Wehrmacht signed the unconditional surrender in 1945, at Berlin Karlshorst Museum on the occasion of Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

A visitor walks in the room where the high Command of the German Wehrmacht signed the unconditional surrender in 1945, at Berlin Karlshorst Museum on the occasion of Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

A woman places flowers on a T-34 Soviet Red army tank to mark Victory Day and the 77th anniversary of the end of World War Two at Berlin Karlshorst Museum, the place where the high Command of the German Wehrmacht signed the unconditional surrender 1945, at in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

People gather to mark Victory Day and the 77th anniversary of the end of World War Two, at the Soviet War Memorial at Treptower Park in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

People hold flowers at the Soviet War Memorial at Treptower Park as they gather to mark Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

Police patrol as people gather to mark Victory Day and the 77th anniversary of the end of World War Two, at the Soviet War Memorial at Treptower Park in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

A man places flowers at the Soviet War Memorial at Treptower Park on the occasion of Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

People gather to mark Victory Day and the 77th anniversary of the end of World War Two, at the Soviet War Memorial at Treptower Park in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

A man places flowers at the Soviet War Memorial at Treptower Park on the occasion of Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

Egon Krenz, the last Communist leader of former East Germany, stands in front of the Soviet War Memorial at Treptower Park on the occasion of Victory Day and the 77th anniversary of the end of World War Two,in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

A woman places flowers inside the Soviet War Memorial at Treptower Park on the occasion of Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

A woman places flowers at the Soviet War Memorial at Treptower Park on the occasion of Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

Egon Rudi Ernst Krenz, the last Communist leader of former East Germany, holds a flower at the Soviet War Memorial at Treptower Park on the occasion of Victory Day and the 77th anniversary of the end of World War Two,in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

People hold flags of Communist Party of Greece as they gather to mark Victory Day and the 77th anniversary of the end of World War Two, at the Soviet War Memorial at Treptower Park in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

A peace symbol flag is pictured in front of the Soviet War Memorial at Treptower Park on the occasion of Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

A woman places flowers at at the Soviet War Memorial at Treptower Park on the occasion of Victory Day and the 77th anniversary of the end of World War Two, in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

People hold flags of Communist Party of Greece and former East Germany as they gather to mark Victory Day and the 77th anniversary of the end of World War Two, at the Soviet War Memorial at Treptower Park in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

Police stop people holding flags of Communist Party of Greece and former East Germany as they gather to mark Victory Day and the 77th anniversary of the end of World War Two, at the Soviet War Memorial at Treptower Park in Berlin, Germany May 8, 2022. REUTERS/Fabrizio Bensch 

Former German Chancellor Angela Merkel listens to the speech of German President Frank-Walter Steinmeier during an awarding ceremony for actor Ulrich Matthes with the Order of Merit in Berlin, Germany, May 3, 2022. REUTERS/Fabrizio Bensch 

Former German Chancellor Angela Merkel and German President Frank-Walter Steinmeier listen to the speech of actor Ulrich Matthes as he is awarded with the Order of Merit in Berlin, Germany, May 3, 2022. REUTERS/Fabrizio Bensch 

German President Frank-Walter Steinmeier gives a speech during an awarding ceremony for actor Ulrich Matthes with the Order of Merit in Berlin, Germany, May 3, 2022. REUTERS/Fabrizio Bensch 

German President Frank-Walter Steinmeier gives a speech during an awarding ceremony for actor Ulrich Matthes with the Order of Merit in Berlin, Germany, May 3, 2022. REUTERS/Fabrizio Bensch TPX IMAGES OF THE DAY 

Former German Chancellor Angela Merkel listens to the speech of actor Ulrich Matthes as he is awarded with the Order of Merit in Berlin, Germany, May 3, 2022. REUTERS/Fabrizio Bensch TPX IMAGES OF THE DAY 

German President Frank-Walter Steinmeier awards actor Ulrich Matthes with the Order of Merit in Berlin, Germany, May 3, 2022. REUTERS/Fabrizio Bensch 

Former German Chancellor Angela Merkel and German President Frank-Walter Steinmeier listen to the speech of actor Ulrich Matthes as he is awarded with the Order of Merit in Berlin, Germany, May 3, 2022. REUTERS/Fabrizio Bensch 

Former German Chancellor Angela Merkel and German President Frank-Walter Steinmeier listen to the speech of actor Ulrich Matthes as he is awarded with the Order of Merit in Berlin, Germany, May 3, 2022. REUTERS/Fabrizio Bensch 

Former German Chancellor Angela Merkel reacts next to German President Frank-Walter Steinmeier after awarding actor Ulrich Matthes with the Order of Merit in Berlin, Germany, May 3, 2022. REUTERS/Fabrizio Bensch 

German President Frank-Walter Steinmeier awards actor Ulrich Matthes with the Order of Merit in Berlin, Germany, May 3, 2022. REUTERS/Fabrizio Bensch 

Former German Chancellor Angela Merkel stands beside German President Frank-Walter Steinmeier while awarding Ulrich Matthes with the Order of Merit in Berlin, Germany, May 3, 2022. REUTERS/Fabrizio Bensch 

Ukrainian dancers perform during the annual press association ball (Bundespresseball) in Berlin, Germany April 29, 2022. REUTERS/Fabrizio Bensch 

Ukrainian dancers perform during the annual press association ball (Bundespresseball) in Berlin, Germany April 29, 2022. REUTERS/Fabrizio Bensch 

Ukrainian dancers perform during the annual press association ball (Bundespresseball) in Berlin, Germany April 29, 2022. REUTERS/Fabrizio Bensch 

People dance during the annual press association ball (Bundespresseball) in Berlin, Germany April 29, 2022. REUTERS/Fabrizio Bensch 

Sand artist from Ukraine Alla Denisova performs during the annual press association ball (Bundespresseball) in Berlin, Germany April 29, 2022. REUTERS/Fabrizio Bensch 

Sand artist from Ukraine Alla Denisova performs during the annual press association ball (Bundespresseball) in Berlin, Germany April 29, 2022. REUTERS/Fabrizio Bensch 

Ukraine TV journalist Nataliia Fiebrig gives an opening speech during the annual press association ball (Bundespresseball) in Berlin, Germany April 29, 2022. REUTERS/Fabrizio Bensch 

Ukraine TV journalist Nataliia Fiebrig gives an opening speech during the annual press association ball (Bundespresseball) in Berlin, Germany April 29, 2022. REUTERS/Fabrizio Bensch 

A woman collects donations for Ukrainian journalists in Ukraine during the annual press association ball (Bundespresseball) in Berlin, Germany April 29, 2022. REUTERS/Fabrizio Bensch 

A guest passes a solidarity with Ukraine banner as she arrives for the annual press association ball (Bundespresseball) in Berlin, Germany April 29, 2022. REUTERS/Fabrizio Bensch 

Guests arrive for the annual press association ball (Bundespresseball) in Berlin, Germany April 29, 2022. REUTERS/Fabrizio Bensch 

Guests arrive for the annual press association ball (Bundespresseball) in Berlin, Germany April 29, 2022. REUTERS/Fabrizio Bensch 

Mayor of Berlin, Franziska Giffey of Social Democratic Party (SPD), attends the opening for the annual press association ball (Bundespresseball), in Berlin, Germany, April 29, 2022. REUTERS/Fabrizio Bensch 

Leader of the Social Democratic Party of Germany Lars Klingbeil and a guest attend the opening for the annual press association ball (Bundespresseball), in Berlin, Germany, April 29, 2022. REUTERS/Fabrizio Bensch 

Ukrainian Ambassador to Germany Andriy Melnyk and his wife attend the opening for the annual press association ball (Bundespresseball), in Berlin, Germany, April 29, 2022. REUTERS/Fabrizio Bensch 

Ukrainian Ambassador to Germany Andriy Melnyk and his wife attend the opening for the annual press association ball (Bundespresseball), in Berlin, Germany, April 29, 2022. REUTERS/Fabrizio Bensch