A Chinese white dolphin sports in the Sanniangwan sea area in Qinzhou City, south China's Guangxi Zhuang Autonomous Region, June 10, 2018. (Xinhua/Zhou Hua)

　　A Chinese white dolphin sports in the Sanniangwan sea area in Qinzhou City, south China's Guangxi Zhuang Autonomous Region, June 10, 2018. (Xinhua/Zhou Hua)

　　A Chinese white dolphin sports in the Sanniangwan sea area in Qinzhou City, south China's Guangxi Zhuang Autonomous Region, June 10, 2018. (Xinhua/Zhou Hua)

　　A Chinese white dolphin sports in the Sanniangwan sea area in Qinzhou City, south China's Guangxi Zhuang Autonomous Region, June 10, 2018. (Xinhua/Zhou Hua)