Air quality suffers due to smog
By Wang Qian | China Daily | Updated: 2011-10-31 08:00
A visitor walks past the Bird's Nest, the main stadium for the 2008 Olympics, in thick fog on Sunday. Wang Jing / China Daily |
BEIJING - The capital's meteorological bureau issued its first heavy fog alert of the winter on Sunday, as low visibility forced the closure of six highways and caused delays or cancellations to more than 200 flights to or from the city.
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