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Bar-headed geese fly over Dragon King Pool park in Lhasa, southwest China's Tibet Autonomous Region, Dec. 25, 2017. The park is home to several species of migratory birds that come here during the winters. (Xinhua/Liu Dongjun)
Bar-headed geese fly over Dragon King Pool park in Lhasa, southwest China's Tibet Autonomous Region, Dec. 25, 2017. The park is home to several species of migratory birds that come here during the winters. (Xinhua/Liu Dongjun)