Swans fly over wetland in C China
Xinhua | 2016-12-08 10:30
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Swans fly at Sanmenxia Swan Lake State Urban Wetland Park in Sanmenxia, Central China's Henan province, Dec 6, 2016. As the ecological environment improved in the Sanmenxia Yellow River Reservoir, more and more swans flew from Siberia to the habitat for winter in recent years. [Photo/Xinhua]
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