Aerial photo taken on Oct. 28, 2021 shows a view of the Mingyong Glacier and the main peak of the Meili Snow Mountains in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers. [Photos by Jiang Wenyao/Xinhua]

Aerial photo taken on Oct. 28, 2021 shows a view of the Mingyong Glacier in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers.

Aerial photo taken on Oct. 28, 2021 shows a view of the Mingyong Glacier in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers.

Aerial photo taken on Oct. 28, 2021 shows the sunrise over the Meili Snow Mountains in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers.

Aerial photo taken on Oct. 28, 2021 shows a view of the Mingyong Glacier in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers.

Aerial photo taken on Oct. 28, 2021 shows a view of the Mingyong Glacier in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers.

Aerial photo taken on Oct. 28, 2021 shows a view of the Mingyong Glacier in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers.

Aerial photo taken on Oct. 28, 2021 shows a view of the Mingyong Glacier in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers.

Aerial photo taken on Oct. 28, 2021 shows a view of the Mingyong Glacier in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers.

Aerial photo taken on Oct. 28, 2021 shows a view of the Mingyong Glacier and a primordial forest in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers.

Aerial photo taken on Oct. 28, 2021 shows a view of the Mingyong Glacier in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers.

Aerial photo taken on Oct. 28, 2021 shows a view of the Mingyong Glacier and a primordial forest in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers.

Aerial photo taken on Oct. 28, 2021 shows a view of the Mingyong Glacier in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers.

People visit the Mingyong Glacier scenic area in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province, Oct. 28, 2021. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers.

Aerial photo taken on Oct. 28, 2021 shows a view of the Mingyong Glacier and a primordial forest in Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. The Mingyong Glacier, located on the east slope of the Meili Snow Mountains, is one of the world's few low-latitude glaciers.