A child slides during Moscow ice festival in Moscow, Russia, on Jan. 3, 2019. (Photos: Xinhua)

Moscow ice festival opened in Victory Park from Dec. 29, 2018 to Jan. 13, 2019.

Visitors take photos in front of ice sculptures in Moscow, Russia, on Jan. 3, 2019.

Moscow ice festival opened in Victory Park from Dec. 29, 2018 to Jan. 13, 2019.

People visit Victory Park during Moscow ice festival in Moscow, Russia, on Jan. 3, 2019.

Moscow ice festival opened in Victory Park from Dec. 29, 2018 to Jan. 13, 2019.