People walk past a Christmas tree set at St. Sophia cathedral in Ukrainian capital of Kiev during Orthodox Christmas Eve on January 6, 2020. - Orthodox believers mark Orthodox Christmas on January 7, according to the old Julian calendar. (Photo by Sergei SUPINSKY / AFP)

People walk by the Christmas tree set next to the Saint Sophia cathedral in Ukrainian capital, Kiev, during the Orthodox Christmas Eve on January 6, 2020. (Photo by Sergei SUPINSKY / AFP)