Ethnic Tibetans perform stunts on horseback at a race course in Lhasa on September 1, 2008, in celebration of the annual Sho Dun Festival that opened two days earlier. [Photo: Xinhua]
![Ethnic Tibetans perform stunts on horseback at a race course in Lhasa on September 1, 2008, in celebration of the annual Sho Dun Festival that opened two days earlier. [Photo: Xinhua]](http://images.china.cn/attachement/jpg/site1007/20080902/001109b42f980a2714be10.jpg "Ethnic Tibetans perform stunts on horseback at a race course in Lhasa on September 1, 2008, in celebration of the annual Sho Dun Festival that opened two days earlier. [Photo: Xinhua]")