Ukrainian evacuees stand on a bus carrying refugees after crossing the Ukrainian border with Poland at the Medyka border crossing, southeastern Poland, on March 28, 2022, following the Russian military invasion of Ukraine. More than 3,8 million people have fled Ukraine since Russia's invasion a month ago, UN figures showed on March 28, but the flow of refugees has slowed down markedly. (Photo by Angelos Tzortzinis/AFP Photo)
