(L-R) Prime Minister of Slovakia Eduard Heger, President of Moldova Maia Sandu, Ukrainian President Volodymyr Zelensky, Prime Minister of Slovenia Robert Golob and Prime Minister of Croatia Andrej Plenkovic attend a ceremony marking the first anniversary of the retreat of Russian troops from the Ukrainian town of Bucha, in Bucha, near Kyiv, on March 31, 2023. (Photo by Sergei SUPINSKY / AFP)