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Heavy smog lingers in large area of N China

Updated: 2014-02-22 11:38 (Xinhua/China Daily)
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Heavy smog lingers in large area of N China

Students at Beijing No 50 High School exercise in a classroom on Friday after the city's education commission asked schools and kindergartens to cancel outside sports lessons due to poor air quality. Li Wen / Xinhua

 

Heavy smog lingers in large area of N China

Shanghai forces closures amid smog

Heavy smog lingers in large area of N China

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Heavy smog lingers in large area of N China

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