Anatolii, 68, holds a portrait of his son Yurii, 26, who was killed in a fight against Russian troops, as he visits the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich 

People visit the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich 

Women react as they visit the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich 

A woman reacts as she visits the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich 

Anatolii, 68, holds a portrait of his son Yurii, 26, who was killed in a fight against Russian troops, as he visits the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich 

A man reacts as he visits the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich 

A woman reacts as she visits the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich 

A Ukrainian serviceman consoles a woman as they visits the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich 

People visit the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich 

Anatolii, 68, holds a portrait of his son Yurii, 26, who was killed in a fight against Russian troops, as he visits the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich 

A Ukrainian serviceman visits the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich 

A man reacts as he visits the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich 

A man reacts as he visits the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich 

A man reacts as he visits the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich 

A Ukrainian serviceman hugs a woman as they visit the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honouring fighters, who joined the Ukrainian armed forces, amid Russia's attack on Ukraine, in Kyiv, Ukraine March 14, 2023. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY 

U.S. President Joe Biden and Ukraine's President Volodymyr Zelenskiy embrace after their visit to the Wall of Remembrance to pay tribute to killed Ukrainian soldiers, amid Russia's attack on Ukraine, in Kyiv, Ukraine February 20, 2023. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY 

A clown poses for photographers ahead of the annual service of remembrance in honour of British clown Joseph Grimaldi, at the All Saints Church in Haggerston, London, Britain, February 5, 2023. REUTERS/Henry Nicholls TPX IMAGES OF THE DAY 

A clown poses for photographers ahead of the annual service of remembrance in honour of British clown Joseph Grimaldi, at the All Saints Church in Haggerston, London, Britain, February 5, 2023. REUTERS/Henry Nicholls TPX IMAGES OF THE DAY 

Canada's Prime Minister Justin Trudeau pauses after laying a wreath at the National Holocaust Monument on International Holocaust Remembrance Day in Ottawa, Ontario, Canada, January 27, 2023. REUTERS/Patrick Doyle 

Canada's Conservative Party of Canada leader Pierre Poilievre speaks at the National Holocaust Monument on International Holocaust Remembrance Day in Ottawa, Ontario, Canada, January 27, 2023. REUTERS/Patrick Doyle 

Canada's Prime Minister Justin Trudeau lays a wreath at the National Holocaust Monument on International Holocaust Remembrance Day in Ottawa, Ontario, Canada, January 27, 2023. REUTERS/Patrick Doyle 

Canada's Prime Minister Justin Trudeau speaks at the National Holocaust Monument on International Holocaust Remembrance Day in Ottawa, Ontario, Canada, January 27, 2023. REUTERS/Patrick Doyle 

Canada's Prime Minister Justin Trudeau leaves after laying a wreath at the National Holocaust Monument on International Holocaust Remembrance Day in Ottawa, Ontario, Canada, January 27, 2023. REUTERS/Patrick Doyle 

Holocaust survivor Agnes Klein speaks at the National Holocaust Monument on International Holocaust Remembrance Day in Ottawa, Ontario, Canada, January 27, 2023. REUTERS/Patrick Doyle 

Canada's Prime Minister Justin Trudeau, Holocaust survivor Agnes Klein, and Canada's Conservative Party of Canada leader Pierre Poilievre take part in a ceremony at the National Holocaust Monument on International Holocaust Remembrance Day in Ottawa, Ontario, Canada, January 27, 2023. REUTERS/Patrick Doyle 

U.S. Ambassador to Canada David Cohen speaks at the National Holocaust Monument on International Holocaust Remembrance Day in Ottawa, Ontario, Canada, January 27, 2023. REUTERS/Patrick Doyle 

Canada's Prime Minister Justin Trudeau, Holocaust survivor Agnes Klein, and Canada's Conservative Party of Canada leader Pierre Poilievre take part in a ceremony at the National Holocaust Monument on International Holocaust Remembrance Day in Ottawa, Ontario, Canada, January 27, 2023. REUTERS/Patrick Doyle 

Canada's Prime Minister Justin Trudeau, Holocaust survivor Agnes Klein, and Canada's Conservative Party of Canada leader Pierre Poilievre take part in a ceremony at the National Holocaust Monument on International Holocaust Remembrance Day in Ottawa, Ontario, Canada, January 27, 2023. REUTERS/Patrick Doyle 

Rozette Kats, 80-year-old Holocaust survivor whose parents were murdered in the Auschwitz Nazi concentration camp, speaks during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Rozette Kats, 80-year-old Holocaust survivor whose parents were murdered in the Auschwitz Nazi concentration camp, attends a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Rozette Kats, 80-year-old Holocaust survivor whose parents were murdered in the Auschwitz Nazi concentration camp, attends a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Rozette Kats, 80-year-old Holocaust survivor whose parents were murdered in the Auschwitz Nazi concentration camp, speaks during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Rozette Kats, 80-year-old Holocaust survivor whose parents were murdered in the Auschwitz Nazi concentration camp, speaks during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Klaus Schirdewahn, a representative of the queer community, is applauded during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Klaus Schirdewahn, a representative of the queer community, is applauded during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Auschwitz mugshots of Karl Gorath are displayed during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Chief Rabbi of Russia Berel Lazar attends a ceremony marking International Holocaust Remembrance Day at the Jewish Museum and Tolerance Centre in Moscow, Russia, January 27, 2023. REUTERS/Evgenia Novozhenina 

Auschwitz mugshots are displayed during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Israeli Ambassador to Russia Alexander Ben Zvi takes part in a ceremony marking International Holocaust Remembrance Day at the Jewish Museum and Tolerance Centre in Moscow, Russia, January 27, 2023. REUTERS/Evgenia Novozhenina 

Theatre director Kama Ginkas together with ambassadors Alexander Ben Zvi of Israel, Geza Andreas von Geyr of Germany, Krzysztof Krajewski of Poland, Pierre Levy of France and Norbert Konkoly of Hungary take part in a candle lighting ceremony on International Holocaust Remembrance Day at the Jewish Museum and Tolerance Centre in Moscow, Russia, January 27, 2023. REUTERS/Evgenia Novozhenina 

Klaus Schirdewahn, a representative of the queer community, is applauded by German Chancellor Olaf Scholtz, President of the Bundestag Barbel Bas and other parliament members during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Deputy Chief of Mission at the U.S. Embassy in Russia Elizabeth Rood lays flowers at the monument to resistance heroes at Nazi concentration camps and ghettoes during a ceremony marking International Holocaust Remembrance Day at the Jewish Museum and Tolerance Centre in Moscow, Russia, January 27, 2023. REUTERS/Evgenia Novozhenina 

Klaus Schirdewahn, a representative of the queer community, German Chancellor Olaf Scholtz and President of the Bundestag Barbel Bas attend a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholtz, President of the Bundestag Barbel Bas and Klaus Schirdewahn, a representative of the queer community, attend a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholtz greets Klaus Schirdewahn, a representative of the queer community, during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholtz, President of the Bundestag Barbel Bas and Klaus Schirdewahn, a representative of the queer community, attend a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Klaus Schirdewahn, a representative of the queer community, speaks during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Klaus Schirdewahn, a representative of the queer community, speaks during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Klaus Schirdewahn, a representative of the queer community, speaks during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Officials, including French Ambassador to Russia Pierre Levy and Russian businessman Viktor Vekselberg, attend a concert dedicated to International Holocaust Remembrance Day at the Jewish Museum and Tolerance Centre in Moscow, Russia, January 27, 2023. REUTERS/Evgenia Novozhenina 

Chief Rabbi of Russia Berel Lazar and head of the Federation of Jewish Communities of Russia Alexander Boroda attend a concert dedicated to International Holocaust Remembrance Day at the Jewish Museum and Tolerance Centre in Moscow, Russia, January 27, 2023. REUTERS/Evgenia Novozhenina 

Klaus Schirdewahn, a representative of the queer community, speaks during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

French Ambassador to Russia Pierre Levy attends a concert dedicated to International Holocaust Remembrance Day at the Jewish Museum and Tolerance Centre in Moscow, Russia, January 27, 2023. REUTERS/Evgenia Novozhenina 

Hungarian Ambassador to Russia Norbert Konkoly attends a concert dedicated to International Holocaust Remembrance Day at the Jewish Museum and Tolerance Centre in Moscow, Russia, January 27, 2023. REUTERS/Evgenia Novozhenina 

Rozette Kats, 80-year-old Holocaust survivor whose parents were murdered in the Auschwitz Nazi concentration camp, attends a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Rozette Kats, 80-year-old Holocaust survivor whose parents were murdered in the Auschwitz Nazi concentration camp, speaks during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

German Ambassador to Russia Geza Andreas von Geyr attends a concert dedicated to International Holocaust Remembrance Day at the Jewish Museum and Tolerance Centre in Moscow, Russia, January 27, 2023. REUTERS/Evgenia Novozhenina 

Polish Ambassador to Russia Krzysztof Krajewski lays flowers at the monument to resistance heroes at Nazi concentration camps and ghettoes during a ceremony marking International Holocaust Remembrance Day at the Jewish Museum and Tolerance Centre in Moscow, Russia, January 27, 2023. REUTERS/Evgenia Novozhenina 

Rozette Kats, 80-year-old Holocaust survivor whose parents were murdered in the Auschwitz Nazi concentration camp, speaks during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi 

Rozette Kats, 80-year-old Holocaust survivor whose parents were murdered in the Auschwitz Nazi concentration camp, speaks during a memorial ceremony commemorating the victims of the Holocaust on the International Holocaust Remembrance Day, at the lower house of the parliament or Bundestag, in Berlin, Germany, January 27, 2023. REUTERS/Michele Tantussi