Citizens walk in a park in thick fog in Handan, north China's Hebei Province, Nov. 13, 2018. (Xinhua/Cheng Xuehu)
Thick fog hits China's cities
Source: Xinhua| 2018-11-13 19:22:48|Editor: Shi Yinglun
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Citizens walk in a park in thick fog in Handan, north China's Hebei Province, Nov. 13, 2018. (Xinhua/Cheng Xuehu)
