Ukrainian refugees Vladyslav Morozov from Dnipro, Dariia Harbar and Maryana Yartseva from Kyiv and Daniel Chumachenko from Kharkiv hold the Ukrainian national flag in front of the remains of a destroyed Russian T-72 tank, secured from the Ukrainian village of Dmytrivka, outside Kyiv, kept on display near the Russian embassy at Unter den Linden boulevard, during an event to mark the one-year anniversary of the Russian invasion of Ukraine, in Berlin, Germany, February 24, 2023. REUTERS/Fabrizio Bensch