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Stunning views of air pollution around the world

Updated: 2014-02-26 10:58 (chindaily.com.cn)
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Stunning views of air pollution around the world

Industrial exhaust gas causes air pollution in Germany, Dec 1, 2012. [Photo/icpress.cn]


Stunning views of air pollution around the world

Stunning views of air pollution around the world

Stunning views of air pollution around the world

Beijing upgrades haze alert to orange

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