Clearer picture

Updated: 2013-02-02 07:54

(China Daily)

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Clearer picture

 

Pictures of the Central TV Tower show the change in air quality in Beijing. On Jan 23 (left), the tower was virtually invisible, while on Friday (right), it stood out against a blue-sky backdrop. Beijing was enveloped in dense smog and haze for many days in January. [Zou Hong/China Daily]