
People enjoy themselves on Cultural Plaza after a cold wave in Changchun, northeast China's Jilin Province, Nov. 20, 2020.Photo:Xinhua

People enjoy themselves on Cultural Plaza after a cold wave in Changchun, northeast China's Jilin Province, Nov. 20, 2020.Photo:Xinhua

People enjoy themselves on Cultural Plaza after a cold wave in Changchun, northeast China's Jilin Province, Nov. 20, 2020.Photo:Xinhua

A bird is seen amid frost-covered tree branches on Cultural Plaza after a cold wave in Changchun, northeast China's Jilin Province, Nov. 20, 2020.Photo:Xinhua

People enjoy themselves on Cultural Plaza after a cold wave in Changchun, northeast China's Jilin Province, Nov. 20, 2020. Photo:Xinhua

People enjoy themselves on Cultural Plaza after a cold wave in Changchun, northeast China's Jilin Province, Nov. 20, 2020. Photo:Xinhua

People enjoy themselves on Cultural Plaza after a cold wave in Changchun, northeast China's Jilin Province, Nov. 20, 2020. Photo:Xinhua

People enjoy themselves on Cultural Plaza after a cold wave in Changchun, northeast China's Jilin Province, Nov. 20, 2020. Photo:Xinhua

People enjoy themselves on Cultural Plaza after a cold wave in Changchun, northeast China's Jilin Province, Nov. 20, 2020. Photo:Xinhua