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Photo taken on Sept. 5, 2018 shows a view of the Zhangye National Wetland Park in the Ganzhou District of Zhangye, northwest China's Gansu Province. (Xinhua/Tao Ming)
Photo taken on Sept. 5, 2018 shows a view of the Zhangye National Wetland Park in the Ganzhou District of Zhangye, northwest China's Gansu Province. (Xinhua/Tao Ming)