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A visitor walks by the Qishu lake in the morning in Yixian County of east China's Anhui Province, Nov. 14, 2019. (Xinhua/Liu Junxi)
 
 
A visitor walks by the Qishu lake in the morning in Yixian County of east China's Anhui Province, Nov. 14, 2019. (Xinhua/Liu Junxi)