Photo taken on Dec. 19, 2016 shows buildings shrouded in smog in Tianjin, north China. Severe smog continued to shroud northern China and even worsened late Monday, disrupting life in dozens of cities. (Photo/Xinhua)
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Photo taken on Dec. 19, 2016 shows buildings shrouded in smog in Tianjin, north China. Severe smog continued to shroud northern China and even worsened late Monday, disrupting life in dozens of cities. (Photo/Xinhua)
