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Return of the killer smog

(chinadaily.com.cn/Agencies) Updated: 2013-01-29 15:45
Return of the killer smog

An aircraft parks in heavy haze at Beijing airport, Jan 28, 2013. Beijing's air pollution returns to 'hazardous' levels, two weeks after record readings of small particles in the air sparks a public outcry. [Photo/Agencies]

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