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People take photos of swans at a wetland in Sanmenxia City, central China's Henan Province, Nov. 17, 2018. Thousands of migratory swans flied here to spend winter at Sanmenxia Yellow River wetland. (Xinhua/Zhu Xiang)
Migratory swans spend winter at central China's wetland
Source: Xinhua| 2018-11-18 07:21:06|Editor: Yang Yi
