Photo taken on Jan. 17, 2021 shows the snow scenery of Lake Beletst in Athens, Greece.Photo:Xinhua

People enjoy their leisure time by the Lake Beletsi in Athens, Greece, Jan. 17, 2021.Photo:Xinhua

A bird stands on a branch by the Lake Beletsi in Athens, Greece, Jan. 17, 2021.Photo:Xinhua

People walk in the snow by the Lake Beletsi in Athens, Greece, Jan. 17, 2021.Photo:Xinhua

Photo taken on Jan. 17, 2021 shows the snow scenery of Lake Beletst in Athens, Greece.Photo:Xinhua

People walk in the snow by the Lake Beletsi in Athens, Greece, Jan. 17, 2021.Photo:Xinhua