Video PlayerClose
Tourists watch a dolphin show at Xin'ao Aquarium in Qinhuangdao, north China's Hebei Province, May 2, 2019. (Xinhua/Cao Jianxiong)
Tourists watch a dolphin show at Xin'ao Aquarium in Qinhuangdao, north China's Hebei Province, May 2, 2019. (Xinhua/Cao Jianxiong)