Bicyclists pose for a photo in front of the Potala Palace in Lhasa, capital of southwest China's Tibet Autonomous Region, Oct. 4, 2011. A total of 16 bicyclists from Britain and north China's Beijing and Hebei Province arrived at Lhasa after a month long journey from southwest China's Chengdu City, promoting a low-carbon way of travel. [Xinhua/Wen Tao]