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People catch fish on the fog-enveloped Tianquan Lake in Xuyi County, east China's Jiangsu Province, Oct. 30, 2017. (Xinhua/Zhou Haijun)
People catch fish on the fog-enveloped Tianquan Lake in Xuyi County, east China's Jiangsu Province, Oct. 30, 2017. (Xinhua/Zhou Haijun)