Performers form the number 60 - symbolizing the 60th anniversary of peaceful liberation of Tibet autonomous region - at the opening ceremony of the weeklong Dharma Festival, also called the Horse Race Festival in Gyangze county, Tibet on Aug 18, 2011. The festival, which dates back to 600 years ago, was added to the national intangible cultural heritage list in 2008. [Photo/Xinhua]

People dance at the opening ceremony of the Dharma Festival in Gyangze county, Tibet on Aug 18, 2011. [Photo/Xinhua]