Snowfall helps clear air pollution
By Li Aoxue | China Daily | Updated: 2008-12-11 07:41
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People walk along a snow-covered section of the Great Wall in Beijing yesterday. Bu Xiangdong |
Beijing's first snowfall this winter has helped reduce the pollution level. The air pollution index (API) dropped from a high of 247 on Tuesday to 162 yesterday, meteorological authorities said.
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