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Aerial photo taken on Dec. 20, 2018 shows the city of Nanning shrouded in fog in south China's Guangxi Zhuang Autonomous Region. Guangxi issued a blue alert for fog on Thursday. (Xinhua/Zhang Ailin)
Guangxi issues blue alert for fog
Source: Xinhua| 2018-12-21 07:23:43|Editor: Yamei
