Panda cubs Jia Yueyue and Jia Panpan play with their mother Er Shun at the decorated birthday party room at the Toronto Zoo in Toronto, Canada, Oct. 13, 2016. (Photo/Xinhua)
Giant panda Mei Xiang and her son Bei Bei play together during Bei Bei's one-year birthday at the Smithsonian's National Zoo in Washington on Aug. 20, 2016. (Photo/Xinhua)
