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Bar-headed geese fly over Lhalu wetland in Lhasa, southwest China's Tibet Autonomous Region, Jan. 1, 2020. Lhalu Wetland National Nature Reserve is known as "the Lung of Lhasa". (Xinhua/Zhang Rufeng)
Bar-headed geese fly over Lhalu wetland in Lhasa, southwest China's Tibet Autonomous Region, Jan. 1, 2020. Lhalu Wetland National Nature Reserve is known as "the Lung of Lhasa". (Xinhua/Zhang Rufeng)