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![CHINA-GANSU-ZHAGANA-SCENERY (CN)](136696440_15085910795341n.jpg)
Photo taken on Oct. 21, 2017 shows sea of clouds over Zhagana mountains in Diebu County, northwest China's Gansu Province. (Xinhua/Chen Bin)
Photo taken on Oct. 21, 2017 shows sea of clouds over Zhagana mountains in Diebu County, northwest China's Gansu Province. (Xinhua/Chen Bin)