Public security volunteers patrol the streets during the 18th Communist Party Congress 

Public security volunteers patrol the streets during the 18th Communist Party Congress held in Beijing, China, Monday, Nov. 12, 2012. (AP Photo/Ng Han Guan)
Associated Press
Public security volunteers patrol the streets during the 18th Communist Party Congress held in Beijing, China, Monday, Nov. 12, 2012. (AP Photo/Ng Han Guan)
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