Millions of people have fled Ukraine since Russia’s war begin. We check back in with Kurii Vasyl, who stayed behind, and his niece Yulya, who fled. This episode was produced by Victoria Chamberlin, edited by Matt Collette, engineered by Efim Shapiro, fact-checked by Laura Bullard, and hosted by Noel King. Transcript at vox.com/todayexplained Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodcasts Learn more about your ad choices. Visit podcastchoices.com/adchoices