
An egret lands on a yacht on the Sanya Lake in Sanya, south China's Hainan Province, Dec. 8, 2016. Water quality here has been improved since the local government began to control pollution a year ago. (Xinhua/Yang Guanyu)
An egret lands on a yacht on the Sanya Lake in Sanya, south China's Hainan Province, Dec. 8, 2016. Water quality here has been improved since the local government began to control pollution a year ago. (Xinhua/Yang Guanyu)
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