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Black-necked cranes rest on the Doqen Co (Lake) in Yadong County, southwest China's Tibet Autonomous Region, May 29, 2019. (Xinhua/Zhang Rufeng)
Black-necked cranes rest on the Doqen Co (Lake) in Yadong County, southwest China's Tibet Autonomous Region, May 29, 2019. (Xinhua/Zhang Rufeng)