Tourists and local residents push a giant prayer wheel at the ancient town of Dukezong in Shangri-la County, Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province, Oct. 12, 2015. The prayer wheel, with a height of 21 meters and weight of 60 tons, is a famous tourist destination in Shangri-la County. (Xinhua/Lin Yiguang)

Tourists and local residents push a giant prayer wheel at the ancient town of Dukezong in Shangri-la County, Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province, Oct. 12, 2015. The prayer wheel, with a height of 21 meters and weight of 60 tons, is a famous tourist destination in Shangri-la County. (Xinhua/Lin Yiguang)

Photo taken on Oct. 12, 2015 shows a giant prayer wheel at the ancient town of Dukezong in Shangri-la County, Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The prayer wheel, with a height of 21 meters and weight of 60 tons, is a famous tourist destination in Shangri-la County. (Xinhua/Lin Yiguang)

Tourists and local residents push a giant prayer wheel at the ancient town of Dukezong in Shangri-la County, Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province, Oct. 12, 2015. The prayer wheel, with a height of 21 meters and weight of 60 tons, is a famous tourist destination in Shangri-la County. (Xinhua/Lin Yiguang)

Tourists and local residents push a giant prayer wheel at the ancient town of Dukezong in Shangri-la County, Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province, Oct. 12, 2015. The prayer wheel, with a height of 21 meters and weight of 60 tons, is a famous tourist destination in Shangri-la County. (Xinhua/Lin Yiguang)

Tourists and local residents push a giant prayer wheel at the ancient town of Dukezong in Shangri-la County, Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province, Oct. 12, 2015. The prayer wheel, with a height of 21 meters and weight of 60 tons, is a famous tourist destination in Shangri-la County. (Xinhua/Lin Yiguang)