A policeman guards an entrance to the university town in Langfang, northern China's Hebei Province, Sept. 7, 2009.[Gong Zhihong/Xinhua]
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![A policeman guards an entrance to the university town in Langfang, northern China's Hebei Province, Sept. 7, 2009.[Gong Zhihong/Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090908/000bcdb95f1d0c0ffc7114.jpg "A policeman guards an entrance to the university town in Langfang, northern China's Hebei Province, Sept. 7, 2009.[Gong Zhihong/Xinhua]")