Chinese police photograph the crowd at the ceremonial unfolding of a giant thangka, or religious silk embroidery, during the Shoton Festival at Drepung Monastery on the outskirts of Lhasa, Tibet Autonomous Region, August 29, 2011.

Chinese police photograph the crowd at the ceremonial unfolding of a giant thangka, or religious silk embroidery, during the Shoton Festival at Drepung Monastery on the outskirts of Lhasa, Tibet Autonomous Region, August 29, 2011. 

© 2011 Reuters/Jacky Chen