Photo taken on Jan. 15, 2021 shows the snow scenery at the city hall square in Tallinn, Estonia. (Xinhua/Guo Chunju)

People skate at the city center in Tallinn, Estonia, Jan. 15, 2021. (Xinhua/Guo Chunju)

A woman clears snow on the street in Tallinn, Estonia, Jan. 15, 2021. (Xinhua/Guo Chunju)

Workers clear snow on the street in Tallinn, Estonia, Jan. 15, 2021. (Xinhua/Guo Chunju)