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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

Water is sprayed in Beijing on Friday as part of measures to reduce dust and ease air pollution. Authorities raised a four-tier alert system to "orange", the second-highest level, with heavy smog forecast to persist in the capital for the next few days. Zou Hong / China Daily

 

Heavy smog lingers in large area of N China

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