Migrant birds flock to Qingdao, E China’s Shandong

Herons are seen in Chengyang Disctirct, Qingdao, east China’s Shandong Province, Dec. 5, 2019. Rare migrant birds, including whooper swans and Baer’s porchard, have flocked to the coastal areas of Qingdao because of the cold weather. (Wang Haibin/Guangming Picture)