Photo taken on July 12, 2013 shows the view of local pasture in West Ujimqin Banner, north China's Inner Mongolia Autonomous Region. The pasture is part of the Xilingol, China's best preserved grassland which covers an area of 202,580 square kilometers. (Xinhua/Ren Junchuan)

Photo taken on July 12, 2013 shows the view of local pasture in West Ujimqin Banner, north China's Inner Mongolia Autonomous Region. The pasture is part of the Xilingol, China's best preserved grassland which covers an area of 202,580 square kilometers. (Xinhua/Ren Junchuan)

Photo taken on July 13, 2013 shows the view of local pasture in West Ujimqin Banner, north China's Inner Mongolia Autonomous Region. The pasture is part of the Xilingol, China's best preserved grassland which covers an area of 202,580 square kilometers. (Xinhua/Ren Junchuan)

Photo taken on July 12, 2013 shows the view of local pasture in West Ujimqin Banner, north China's Inner Mongolia Autonomous Region. The pasture is part of the Xilingol, China's best preserved grassland which covers an area of 202,580 square kilometers. (Xinhua/Ren Junchuan)

Photo taken on July 12, 2013 shows the view of local pasture in West Ujimqin Banner, north China's Inner Mongolia Autonomous Region. The pasture is part of the Xilingol, China's best preserved grassland which covers an area of 202,580 square kilometers. (Xinhua/Ren Junchuan)

Photo taken on July 13, 2013 shows the view of local pasture in West Ujimqin Banner, north China's Inner Mongolia Autonomous Region. The pasture is part of the Xilingol, China's best preserved grassland which covers an area of 202,580 square kilometers. (Xinhua/Ren Junchuan)

Photo taken on July 13, 2013 shows the view of local pasture in West Ujimqin Banner, north China's Inner Mongolia Autonomous Region. The pasture is part of the Xilingol, China's best preserved grassland which covers an area of 202,580 square kilometers. (Xinhua/Ren Junchuan)

Photo taken on July 12, 2013 shows the view of local pasture in West Ujimqin Banner, north China's Inner Mongolia Autonomous Region. The pasture is part of the Xilingol, China's best preserved grassland which covers an area of 202,580 square kilometers. (Xinhua/Ren Junchuan)