Actors perform during the opening ceremony of 2012 Tibet Yarlung Cultrual Festival in Zetang County of Shannan Prefecture, southwest China's Tibet Autonomous Region, Aug. 15, 2012. The festival which kicked off on Wednesday, will last until Aug. 21. (Xinhua/Purbu Zhaxi)

Actors perform during the opening ceremony of 2012 Tibet Yarlung Cultrual Festival in Zetang County of Shannan Prefecture, southwest China's Tibet Autonomous Region, Aug. 15, 2012. The festival which kicked off on Wednesday, will last until Aug. 21. (Xinhua/Purbu Zhaxi)

Singer Tseten Dolma performs during the opening ceremony of 2012 Tibet Yarlung Cultrual Festival in Zetang County of Shannan Prefecture, southwest China's Tibet Autonomous Region, Aug. 15, 2012. The festival which kicked off on Wednesday, will last until Aug. 21. (Xinhua/Purbu Zhaxi)

Actors perform during the opening ceremony of 2012 Tibet Yarlung Cultrual Festival in Zetang County of Shannan Prefecture, southwest China's Tibet Autonomous Region, Aug. 15, 2012. The festival which kicked off on Wednesday, will last until Aug. 21. (Xinhua/Purbu Zhaxi)

Singer Chongshol Dolma performs during the opening ceremony of 2012 Tibet Yarlung Cultrual Festival in Zetang County of Shannan Prefecture, southwest China's Tibet Autonomous Region, Aug. 15, 2012. The festival which kicked off on Wednesday, will last until Aug. 21. (Xinhua/Purbu Zhaxi)