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Photo taken on Jan. 24, 2020 shows black-necked cranes flying in Nanmulin County of Xigaze, southwest China's Tibet Autonomous Region. (Xinhua/Zhang Rufeng)
Photo taken on Jan. 24, 2020 shows black-necked cranes flying in Nanmulin County of Xigaze, southwest China's Tibet Autonomous Region. (Xinhua/Zhang Rufeng)