Chinese paramilitary policemen stand guard near a signboard showing direction to Forbidden City, in Beijing Thursday, Nov. 1, 2012. Beijing is tightening security as its all-important Communist Party congress approaches, and some of the measures seem bizarre. Most of the security measures were implemented in time for Thursday's opening of a meeting of the Central Committee. (AP Photo/Andy Wong)

Associated Press
Chinese paramilitary policemen stand guard near a signboard showing direction to Forbidden City, in Beijing Thursday, Nov. 1, 2012. Beijing is tightening security as its all-important Communist Party congress approaches, and some of the measures seem bizarre. Most of the security measures were implemented in time for Thursday's opening of a meeting of the Central Committee. (AP Photo/Andy Wong)
Chinese paramilitary policemen stand guard near a signboard showing direction to Forbidden City, in Beijing Thursday, Nov. 1, 2012. Beijing is tightening security as its all-important Communist Party congress approaches, and some of the measures seem bizarre. Most of the security measures were implemented in time for Thursday's opening of a meeting of the Central Committee. (AP Photo/Andy Wong)
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