Giant panda cub Jia Panpan (Top) (meaning Canadian Hope) and its mother Er Shun play at the Toronto Zoo in Toronto, Canada on March 17, 2017. (Xinhua/Li Haitao)

Giant panda Er Shun eats bamboo at the Toronto Zoo in Toronto, Canada on March 17, 2017. (Xinhua/Li Haitao)

Giant panda cub Jia Panpan (L) (meaning Canadian Hope) and its mother Er Shun eat bamboo at the Toronto Zoo in Toronto, Canada on March 17, 2017. (Xinhua/Li Haitao)

A child watches giant pandas at the Toronto Zoo in Toronto, Canada on March 17, 2017. (Xinhua/Li Haitao)