Photo taken on July 13, 2020 shows the Tasman Glacier at Aoraki/Mount Cook National Park in the South Island of New Zealand. The Aoraki/Mount Cook National Park consists of 19 peaks which are at least 3,000 meters above sea level, as well as the Tasman Glacier and many glacial lakes. (Xinhua/Guo Lei)

Photo taken on July 13, 2020 shows the landscape at Aoraki/Mount Cook National Park in the South Island of New Zealand. The Aoraki/Mount Cook National Park consists of 19 peaks which are at least 3000 meters above sea level, as well as the Tasman Glacier and many glacial lakes. (Xinhua/Guo Lei)

Photo taken on July 13, 2020 shows snow-covered peaks at Aoraki/Mount Cook National Park in the South Island of New Zealand. The Aoraki/Mount Cook National Park consists of 19 peaks which are at least 3,000 meters above sea level, as well as the Tasman Glacier and many glacial lakes. (Xinhua/Guo Lei)

Photo taken on July 13, 2020 shows Tasman Lake near the Tasman Glacier, at Aoraki/Mount Cook National Park in the South Island of New Zealand. The Aoraki/Mount Cook National Park consists of 19 peaks which are at least 3,000 meters above sea level, as well as the Tasman Glacier and many glacial lakes. (Xinhua/Guo Lei)

Photo taken on July 13, 2020 shows Tasman Lake near the Tasman Glacier, at Aoraki/Mount Cook National Park in the South Island of New Zealand. The Aoraki/Mount Cook National Park consists of 19 peaks which are at least 3,000 meters above sea level, as well as the Tasman Glacier and many glacial lakes. (Xinhua/Guo Lei)

Hikers march towards New Zealand's highest mountain, Aoraki/Mount Cook, at Aoraki/Mount Cook National Park in the South Island of New Zealand, July 13, 2020. The Aoraki/Mount Cook National Park consists of 19 peaks which are at least 3,000 meters above sea level, as well as the Tasman Glacier and many glacial lakes. (Xinhua/Guo Lei)

A hiker walks by Hooker Lake at Aoraki/Mount Cook National Park in the South Island of New Zealand, July 13, 2020. The Aoraki/Mount Cook National Park consists of 19 peaks which are at least 3,000 meters above sea level, as well as the Tasman Glacier and many glacial lakes. (Xinhua/Guo Lei)