Aged giant panda "Ying Ying" plays at the Dujiangyan Base of the Chinese Conservation and Research Center for Giant Pandas in Dujiangyan, southwest China's Sichuan Province, Dec. 21, 2016. The Dujiangyan base, a nursing home for aged giant pandas, has eight pandas at or above the age of 20. Giant pandas can live 30 years or longer in captivity, but 20 years in the wild. (Xinhua/Xue Yubin)
