Photo taken on June 29, 2015 shows a Tibetan woman riding a horse at the Dagu glacier scenic spot in Heishui County of Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province. The Dagu glacier scenic spot is the newest tourist spot after the Jiuzhaigou Scenic Area, Huanglong Scenic Area and the Wolong National Nature Reserve in Aba. (Xinhua/Jiang Hongjing)

Photo taken on June 28, 2015 shows scenery of a pasture at the Dagu glacier scenic spot in Heishui County of Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province. The Dagu glacier scenic spot is the newest tourist spot after the Jiuzhaigou Scenic Area, Huanglong Scenic Area and the Wolong National Nature Reserve in Aba. (Xinhua/Jiang Hongjing)

Photo taken on June 29, 2015 shows horses roaming at a pasture of the Dagu glacier scenic spot in Heishui County of Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province. The Dagu glacier scenic spot is the newest tourist spot after the Jiuzhaigou Scenic Area, Huanglong Scenic Area and the Wolong National Nature Reserve in Aba. (Xinhua/Jiang Hongjing)

Photo taken on June 29, 2015 shows an aerial view of the winding roads in the Dagu glacier scenic spot in Heishui County of Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province. The Dagu glacier scenic spot is the newest tourist spot after the Jiuzhaigou Scenic Area, Huanglong Scenic Area and the Wolong National Nature Reserve in Aba. (Xinhua/Jiang Hongjing)

Photo taken on June 29, 2015 shows a plateau pika at the Dagu glacier scenic spot in Heishui County of Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province. The Dagu glacier scenic spot is the newest tourist spot after the Jiuzhaigou Scenic Area, Huanglong Scenic Area and the Wolong National Nature Reserve in Aba. (Xinhua/Jiang Hongjing)

Photo taken on June 29, 2015 shows flowers of a pasture at the Dagu glacier scenic spot in Heishui County of Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province. The Dagu glacier scenic spot is the newest tourist spot after the Jiuzhaigou Scenic Area, Huanglong Scenic Area and the Wolong National Nature Reserve in Aba. (Xinhua/Jiang Hongjing)

Photo taken on June 29, 2015 shows an aerial view of the winding roads in the Dagu glacier scenic spot in Heishui County of Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province. The Dagu glacier scenic spot is the newest tourist spot after the Jiuzhaigou Scenic Area, Huanglong Scenic Area and the Wolong National Nature Reserve in Aba. (Xinhua/Jiang Hongjing)

Photo taken on June 29, 2015 shows wild flowers at the Dagu glacier scenic spot in Heishui County of Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province. The Dagu glacier scenic spot is the newest tourist spot after the Jiuzhaigou Scenic Area, Huanglong Scenic Area and the Wolong National Nature Reserve in Aba. (Xinhua/Jiang Hongjing)

Photo taken on June 28, 2015 shows scenery of a pasture at the Dagu glacier scenic spot in Heishui County of Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province. The Dagu glacier scenic spot is the newest tourist spot after the Jiuzhaigou Scenic Area, Huanglong Scenic Area and the Wolong National Nature Reserve in Aba. (Xinhua/Jiang Hongjing)

Photo taken on June 29, 2015 shows the mountain top of Dagu ice mountain, with an altitude of 4,860 meters, at the Dagu glacier scenic spot in Heishui County of Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province. The Dagu glacier scenic spot is the newest tourist spot after the Jiuzhaigou Scenic Area, Huanglong Scenic Area and the Wolong National Nature Reserve in Aba. (Xinhua/Jiang Hongjing)

Photo taken on June 28, 2015 shows scenery of a Tibetan village at the Dagu glacier scenic spot in Heishui County of Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province. The Dagu glacier scenic spot is the newest tourist spot after the Jiuzhaigou Scenic Area, Huanglong Scenic Area and the Wolong National Nature Reserve in Aba. (Xinhua/Jiang Hongjing)

Photo taken on June 28, 2015 shows scenery of a Tibetan village at the Dagu glacier scenic spot in Heishui County of Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province. The Dagu glacier scenic spot is the newest tourist spot after the Jiuzhaigou Scenic Area, Huanglong Scenic Area and the Wolong National Nature Reserve in Aba. (Xinhua/Jiang Hongjing)

Photo taken on June 29, 2015 shows a woman posing for pictures among flowers at the Dagu glacier scenic spot in Heishui County of Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province. The Dagu glacier scenic spot is the newest tourist spot after the Jiuzhaigou Scenic Area, Huanglong Scenic Area and the Wolong National Nature Reserve in Aba. (Xinhua/Jiang Hongjing)