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Return of the killer smog

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

Buildings and Guomao Bridge are pictured on a heavy haze day in Beijing's central business district Jan 29, 2013. Beijing's air pollution returns to 'hazardous' levels, two weeks after record readings of small particles in the air sparked a public outcry. [Photo/Agencies]
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