Tourists walk in the snow in the desert of the Cresent Moon Lake in the Mingsha Mountain area in Dunhuang, northwest China's Gansu Province, on Dec. 12, 2015. (Photo: Xinhua)
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Tourists walk in the snow in the desert of the Cresent Moon Lake in the Mingsha Mountain area in Dunhuang, northwest China's Gansu Province, on Dec. 12, 2015. (Photo: Xinhua)
