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The smog caused traffic jam on several major roads. [Dahe.cn]
(China.org.cn by Huang Shan, January 9, 2009)
![The smog caused traffic jam on several major roads. [Dahe.cn]](http://images.china.cn/attachement/jpg/site1007/20090109/000802aa2f490ad0e8af08.jpg "The smog caused traffic jam on several major roads. [Dahe.cn]")