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Mammatus clouds are seen over Guiyang, southwest China's Guizhou Province, Jan. 6, 2020. (Xinhua/Liu Xu)
In pics: mammatus clouds over Guiyang
Source: Xinhua| 2020-01-06 22:24:32|Editor: huaxia
Mammatus clouds are seen over Guiyang, southwest China's Guizhou Province, Jan. 6, 2020. (Xinhua/Liu Xu)
