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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

A dust storm moves through Phoenix on Monday, Aug. 26, 2013. [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

People clear volcanic ash in Indonesia

Festival travelers battle heavy fog

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