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A staff member of Sanjiangyuan National Park observes the eggs of black-necked cranes in Hoh Xil, northwest China's Qinghai Province, July 15, 2018. (Xinhua/Tian Wenjie)
Wildlife seen on Hoh Xil, northwest China's Qinghai Province
Source: Xinhua| 2018-07-17 21:45:35|Editor: Yurou
