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Air pollution hits Tehran, Iran

Source: Xinhua| 2018-12-17 07:53:36|Editor: mym
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IRAN-TEHRAN-AIR POLLUTION

A man walks on a street in Tehran, Iran, on Dec. 16, 2018. Air pollution has become a serious problem in Tehran in recent years. (Xinhua/Ahmad Halabisaz)

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KEY WORDS: Air pollution
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