A Tibetan young man presents his skill of riding horse at a gathering of celebration during the Shoton Festival at the Tibet Racecourse in Lhasa, Tibet, China, Aug. 21, 2009. The Shoton is one of the most popular festivals with a long tradition in Tibet, China.(XinhuaLiang Jianming)

A Tibetan young man rides a yak as he participates in a yak race at a gathering of celebration during the Shoton Festival at the Tibet Racecourse in Lhasa, Tibet, China, Aug. 21, 2009. (XinhuaLiang Jianming)

A Tibetan man rides a horse before he participates in a race at a gathering of celebration during the Shoton Festival at the Tibet Racecourse in Lhasa, Tibet, China, Aug. 21, 2009. (XinhuaLiang Jianming)

Two Tibetan young men prepare for a horse race at a gathering of celebration during the Shoton Festival at the Tibet Racecourse in Lhasa, Tibet, China, Aug. 21, 2009. (XinhuaLiang Jianming)

Tibetan people participate in a stone-raising race at a gathering of celebration during the Shoton Festival at the Tibet Racecourse in Lhasa, Tibet, China, Aug. 21, 2009. (XinhuaLiang Jianming)

A Tibetan young man rides a yak as he participates in a yak race at a gathering of celebration during the Shoton Festival at the Tibet Racecourse in Lhasa, Tibet, China, Aug. 21, 2009. (XinhuaLiang Jianming)