A child has fun on a snow-covered field in Kiev, Ukraine on Jan. 15, 2021. (Photo by Sergey Starostenko/Xinhua)

People have fun on a snow-covered field in Kiev, Ukraine on Jan. 15, 2021. (Photo by Sergey Starostenko/Xinhua)

People have fun on a snow-covered field in Kiev, Ukraine on Jan. 15, 2021. (Photo by Sergey Starostenko/Xinhua)

People have fun on a snow-covered field in Kiev, Ukraine on Jan. 15, 2021. (Photo by Sergey Starostenko/Xinhua)

A woman sleds on a snow-covered field in Kiev, Ukraine on Jan. 15, 2021. (Photo by Sergey Starostenko/Xinhua)

People walk on a snow-covered road in Kiev, Ukraine on Jan. 15, 2021. (Photo by Sergey Starostenko/Xinhua)

People have fun on a snow-covered field in Kiev, Ukraine on Jan. 15, 2021. (Photo by Sergey Starostenko/Xinhua)

A child sleds on a snow-covered field in Kiev, Ukraine on Jan. 15, 2021. (Photo by Sergey Starostenko/Xinhua)