Photo taken on Nov. 4, 2012 shows the scenery of the Beihai Wetland Protection Zone in Tengchong County, southwest China's Yunnan Province. (Xinhua/Zheng Huansong)
Tourists visit the Beihai Wetland Protection Zone in Tengchong County, southwest China's Yunnan Province, Nov. 4, 2012. (Xinhua/Zheng Huansong)
Photo taken on Nov. 4, 2012 shows the scenery of the Beihai Wetland Protection Zone in Tengchong County, southwest China's Yunnan Province. (Xinhua/Zheng Huansong)
Tourists ride on boats to visit the Beihai Wetland Protection Zone in Tengchong County, southwest China's Yunnan Province, Nov. 4, 2012. (Xinhua/Zheng Huansong)
Photo taken on Nov. 4, 2012 shows the scenery of the Beihai Wetland Protection Zone in Tengchong County, southwest China's Yunnan Province. (Xinhua/Zheng Huansong)
