People of Tibetan ethnic group move a giant prayer wheel in Dukezong ancient city of Shangri-La county, Tibetan Autonomous Prefecture of Deqen, southwest China's Yunnan Province, March 14, 2011. The prayer wheel made of copper in Shangri-La weighs 60 tonnes with a height of 21 meters. Photo: Xinhua

People of Tibetan ethnic group move a giant prayer wheel in Dukezong ancient city of Shangri-La county, Tibetan Autonomous Prefecture of Deqen, southwest China's Yunnan Province, March 14, 2011. The prayer wheel made from copper in Shangri-La weighs 60 tonnes with a height of 21 meters. Photo: Xinhua

People move a giant prayer wheel in Dukezong ancient city of Shangri-La county, Tibetan Autonomous Prefecture of Deqen, southwest China's Yunnan Province, March 14, 2011. The prayer wheel made from copper in Shangri-La weighs 60 tonnes with a height of 21 meters. Photo: Xinhua

A woman of Tibetan ethnic group moves a giant prayer wheel in Dukezong ancient city of Shangri-La county, Tibetan Autonomous Prefecture of Deqen, southwest China's Yunnan Province, March 14, 2011. The prayer wheel made from copper in Shangri-La weighs 60 tonnes with a height of 21 meters. Photo: Xinhua