YONGJING, July 7, 2016 -- Water level of Liujiaxia Reservoir is lowered to respond to the upcoming flood season in Yongjing County, northwest China's Gansu Province, July 6, 2016. The Liujiaxia Reservoir, which locates in the upstream of the Yellow River, released more water recently to respond to the flood season. (Xinhua/Shi Youdong)
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