Children wearing traditional Ukrainian outfits sing Christmas carols during the festivities marking the Orthodox Christmas in Pirohovo village, not far from Kyiv, Ukraine, on Jan. 7, 2022.

But off to the side, near a stage where an accordionist played Christmas music, Galnya Mirisola looked wistfully at a recent video of her two teenage nieces, 14 and 18, huddled in their bathroom ...