Slovakian Prime Minister Eduard Heger, Moldovan President Maia Sandu, Ukraine's President Volodymyr Zelenskiy, Slovenia's Prime Minister Robert Golob and Croatian Prime Minister Andrej Plenkovic attend a ceremony to marked the first anniversary of liberation the town of Bucha, as Russia's invasion of Ukraine continues, outside Kyiv, Ukraine March 31, 2023. REUTERS/Gleb Garanich