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Photo taken on Sept. 6, 2018 shows Quanyanshan pump station of a water project in Xihaigu, northwest China's Ningxia Hui Autonomous Region. (Xinhua/Guo Xulei)
Photo taken on Sept. 6, 2018 shows Quanyanshan pump station of a water project in Xihaigu, northwest China's Ningxia Hui Autonomous Region. (Xinhua/Guo Xulei)