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Birds spend winter in Lhasa River valley

Birds spend winter in Lhasa River valley

Migratory birds in the valley of Lhasa River, Southwest China's Tibet autonomous region, Dec 22, 2016. Different kinds of aerial birds, such as black-headed gulls, red-crowned cranes, and bar-headed geese, have been arriving since November and will head for the north in March. [Photo by Jigmed Wangtso /chinadaily.com.cn]

[ Editor: Xueying ]