Decorations are seen at the Christmas market in St. Petersburg, Russia, Dec. 18, 2021. (Photo by Irina Motina/Xinhua)
Children enjoy themselves on a tourist train at the Christmas market in St. Petersburg, Russia, Dec. 18, 2021. (Photo by Irina Motina/Xinhua)
Children enjoy themselves on a tourist train at the Christmas market in St. Petersburg, Russia, Dec. 18, 2021. (Photo by Irina Motina/Xinhua)
Decorations are seen at the Christmas market in St. Petersburg, Russia, Dec. 18, 2021. (Photo by Irina Motina/Xinhua)
People visit the Christmas market in St. Petersburg, Russia, Dec. 18, 2021. (Photo by Irina Motina/Xinhua)
A woman visits the Christmas market in St. Petersburg, Russia, Dec. 18, 2021. (Photo by Irina Motina/Xinhua)