In pics: Altun Mountains National Nature Reserve in Xinjiang

This photo taken on Sept. 14, 2023 shows black-necked cranes at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Photo by Shang Peng/Xinhua)

This photo taken on Sept. 14, 2023 shows a black stork at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Photo by Shang Peng/Xinhua)

This photo taken on Sept. 12, 2023 shows Tibetan antelopes at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 12, 2023 shows Tibetan antelopes at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 11, 2023 shows the scenery of a desert and snow mountains at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This aerial photo taken on Sept. 12, 2023 shows Tibetan antelopes at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 12, 2023 shows the scenery of grassland, lake, desert and snow mountains at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 14, 2023 shows Tibetan gazelles at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Photo by Shang Peng/Xinhua)

This photo taken on Sept. 14, 2023 shows Tibetan antelopes at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This aerial photo taken on Sept. 11, 2023 shows the Ayakum Lake at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 14, 2023 shows the shazi spring at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 14, 2023 shows ruddy shelducks at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 11, 2023 shows Tibetan wild donkeys at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 14, 2023 shows Tibetan gazelles at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 11, 2023 shows the Ayakum Lake at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This aerial photo taken on Sept. 12, 2023 shows wild yaks at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 12, 2023 shows a wolf at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Photo by Shang Peng/Xinhua)

This aerial photo taken on Sept. 14, 2023 shows wild yaks at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 14, 2023 shows Tibetan antelopes at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Photo by Shang Peng/Xinhua)

This aerial photo taken on Sept. 11, 2023 shows black-necked cranes at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This aerial photo taken on Sept. 12, 2023 shows Tibetan wild donkeys at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 14, 2023 shows wild yaks at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 12, 2023 shows Tibetan wild donkeys at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 11, 2023 shows a wild yak at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 12, 2023 shows migrant birds flying over a lake at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 12, 2023 shows an upland buzzard at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This aerial panoramic photo taken on Sept. 11, 2023 shows the Ayakum Lake and nearby mountains at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 11, 2023 shows a highland grassland at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 13, 2023 shows the Milky Way at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 12, 2023 shows Tibetan wild donkeys at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Photo by Shang Peng/Xinhua)

This photo taken on Sept. 14, 2023 shows black-necked cranes at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 11, 2023 shows goitered gazelles at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 12, 2023 shows the scenery of grassland, desert and snow mountains at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)

This photo taken on Sept. 14, 2023 shows Tibetan gazelles at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Photo by Shang Peng/Xinhua)

This photo taken on Sept. 14, 2023 shows a plateau pika at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Photo by Shang Peng/Xinhua)

This photo taken on Sept. 14, 2023 shows a Himalayan marmot at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Photo by Shang Peng/Xinhua)

This aerial photo taken on Sept. 14, 2023 shows the shazi spring at the Altun Mountains National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. With an average altitude of 4,580 meters, the Altun Mountains National Nature Reserve covers a total area of 45,000 square kilometers and is a representative of plateau desert ecosystem in China. (Xinhua/Hao Zhao)