A rainbow appears after a rainfall in the Huangshan Mountain in Huangshan City, east China's Anhui Province, July 2, 2015. (Photo: Xinhua/Shi Guangde)
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A rainbow appears after a rainfall in the Huangshan Mountain in Huangshan City, east China's Anhui Province, July 2, 2015. (Photo: Xinhua/Shi Guangde)