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Buildings shrouded in smog in Seoul, South Korea

Source: Xinhua| 2019-02-22 20:47:16|Editor: mym
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SOUTH KOREA-SEOUL-AIR POLLUTION

Photo taken on Feb. 22, 2019 shows the Lotte World Tower and other buildings shrouded in smog in Seoul, South Korea. (Xinhua/Wang Jingqiang)

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