Children play in the snow after a winter storm in the Manhattan borough of New York City on December 17, 2020. #

An ice castle is illuminated at the Changchun Ice-Snow Grand World in Changchun, China, on December 11, 2020. #

A 495-meter-long ice slide is seen at the Changchun Ice-Snow Grand World on December 11, 2020. #

A man practices Tai Chi on the frozen Hunhe River at sunset on December 4, 2020, in Shenyang, China. #

A couple crosses the Boston Public Garden Foot Bridge on December 17, 2020, in Boston, Massachusetts. #

Dogs play with a frisbee in near white-out conditions in the Boston Common on December 17, 2020. #

A huge sculpture stands at the Harbin Sun Island International Snow Sculpture Art Expo, as it is about to open in Harbin, China, on December 19, 2020. #

A tourist takes photos of rime-covered trees on Moon Mountain in Congjiang County, in China's Guizhou Province, on December 18, 2020. #

A giant panda plays at Elion Ecological Tourism Town after a snowfall on December 19, 2020, in Tianjin, China. #

Girls dressed in costumes of the Snow Maiden and a tiger sculpt a snow hare on a tree in St. Petersburg, Russia, on December 19, 2020. #

People skate during the opening of a skating rink at the Exhibition of Achievements of National Economy, in Moscow, Russia, on November 27, 2020. #

A member of the public walks through artificial snow in Covent Garden on December 16, 2020, in London, England. #

A frozen rose is seen in a park in Dortmund, Germany, on November 30, 2020. #

Broken pieces of ice pile up on the shore after heavy winds over Cildir Lake in Ardahan, Turkey, on December 19, 2020. #

A farmer harvests apples in an orchard after a snowfall on December 2, 2020, in Yiyuan County, China. #

Ice crystals form on a window in Yichun, China, on December 21, 2020. #

People swim in the icy waters of the Irtysh River on the opening day of the winter-swimming season in Omsk, Russia, on December 6, 2020. #

A Chihuahua plays in the snow on Qiyue Mountain on December 15, 2020, in Enshi Tujia and Miao Autonomous Prefecture, Hubei Province, China. #

People enjoy the snow during a late afternoon at Chalet-a-Gobet near Lausanne, Switzerland, on December 5, 2020. #

Workers place an ice block onto an ice structure at the site of the Harbin International Ice and Snow Festival before its opening on December 16, 2020. #

Workers build ice structures at the site of the Harbin International Ice and Snow Festival on December 18, 2020. #

An aerial photo shows the nearly-completed Harbin International Ice and Snow Festival on December 22, 2020. #

People sled in New York City on December 17, 2020. #

A snowman wears a face mask in Central Park on December 20, 2020, in New York City. #

People kiss as snow begins to fall in Times Square on December 16, 2020. #