Cranes walk at the Mai Po Nature Reserve in Hong Kong, south China, Dec. 3, 2016. July 1, 2017 marks the 20th anniversary of Hong Kong's return to the motherland. In the past 20 years, Hong Kong kept on protecting its ecological environment. (Xinhua/WWF-Hong Kong)
In pics: Scenery of Hong Kong Wetland Park
Source: Xinhua| 2017-06-02 16:43:28|Editor: Hou Qiang
KEY WORDS: Hong Kong
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