In this photo taken on Monday, Feb. 27, 2012, a Tibetan rides a motorbike passing by a group of Chinese paramilitary policemen standing guard near barricades set up along the main street of Aba county seat, in China's Sichuan province.  China's stifling lockdown of this Tibetan monastery town has not only been about patrolling its otherwise sleepy streets. Beijing is also policing the minds of a community at the center of self-immolation protests against Chinese rule. (AP Photo/Gillian Wong)
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