A policeman guards an entrance to the university town in Langfang, northern China's Hebei Province, Sept. 7, 2009.[Gong Zhihong/Xinhua]
![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]")