Guests touch a glass ball to launch the 3G service at a launching ceremony in Lhasa, capital of southwest China's Tibet Autonomous Region, on May 9, 2009. The Tibet Mobile of China Mobile hosted the launching ceremony of TD-SCDMA services in the region on Saturday. [Xinhua]

An attendant introduces the 3G service to visitors in Lhasa, capital of southwest China's Tibet Autonomous Region, on May 9, 2009.  [Xinhua]