Aerial photo taken on March 21, 2018 shows the Liujiaxia Reservoir in Yongjing County, northwest China's Gansu Province. The Liujiaxia Reservoir is a major reservoir on the upper reaches of Yellow River. (Xinhua/Chen Bin)
Aerial view of Liujiaxia Reservoir in NW China's Gansu
Source: Xinhua| 2018-03-22 16:53:32|Editor: Zhou Xin
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