Tibetan artists in traditional costumes stage Tibetan dance during a rehearsal for the grand party scheduled to open on Feb. 24 to celebrate the upcoming Tibetan New Year, the year of Ox, in Lhasa, capital of sotuhwest China's Tibet Autonomous Region, Feb. 14, 2009. (Xinhua/Jia Lijun)

 
Tibetan artists sing a song during a rehearsal for the grand party scheduled to open on Feb. 24 to celebrate the upcoming Tibetan New Year, the year of Ox, in Lhasa, capital of sotuhwest China's Tibet Autonomous Region, Feb. 14, 2009. (Xinhua/Jia Lijun)

A singer presents a song during a rehearsal for the grand party scheduled to open on Feb. 24 to celebrate the upcoming Tibetan New Year, the year of Ox, in Lhasa, capital of sotuhwest China's Tibet Autonomous Region, Feb. 14, 2009. (Xinhua/Jia Lijun)

Tibetan artists in traditional costumes stage Tibetan dance during a rehearsal for the grand party scheduled to open on Feb. 24 to celebrate the upcoming Tibetan New Year, the year of Ox, in Lhasa, capital of sotuhwest China's Tibet Autonomous Region, Feb. 14, 2009. (Xinhua/Jia Lijun)

Tibetan artists in traditional costumes stage Tibetan dance during a rehearsal for the grand party scheduled to open on Feb. 24 to celebrate the upcoming Tibetan New Year, the year of Ox, in Lhasa, capital of sotuhwest China's Tibet Autonomous Region, Feb. 14, 2009. (Xinhua/Jia Lijun)