Beijing blackout as air quality unmasked
(chinadaily.com.cn) Updated: 2011-12-06 13:41 |
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The photos were taken on different days from Nov 22 to Nov 25 at the same place to show the air quality changes in Beijing. [Photo/CFP] |
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The photos were taken on different days from Nov 22 to Nov 25 at the same place to show the air quality changes in Beijing. [Photo/CFP] |