[IMG]http://d.yimg.com/a/p/afp/20100505/capt.p***o_1273044094606-1-0.jpg?x=130&y=86&q=85&sig=.DjhorB8laIh8LtsKkmqow--[/IMG]AFP - The restive regions of Tibet and Xinjiang have for years been thorns in the side of China's ruling Communist Party, but visitors to the World Expo in Shanghai would never know it.




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