
Pregnant Tibetan antelopes migrate to their habitual birth grounds at the Qiangtang National Nature Reserve in the northern part of southwest China's Xizang Autonomous Region on May 10, 2024. Photo: Xinhua

Tibetan antelopes walk over the top of a hill at the Qiangtang National Nature Reserve in the northern part of southwest China's Xizang Autonomous Region, May 10, 2024. Photo: Xinhua

Pregnant Tibetan antelopes migrate to their habitual birth grounds at the Qiangtang National Nature Reserve in the northern part of southwest China's Xizang Autonomous Region on May 8, 2024. Photo: Xinhua

An aerial drone photo taken on May 10, 2024 shows pregnant Tibetan antelopes migrating to their habitual birth grounds at the Qiangtang National Nature Reserve in the northern part of southwest China's Xizang Autonomous Region. Photo: Xinhua

Tibetan antelopes are seen in the snowfield at the Qiangtang National Nature Reserve in the northern part of southwest China's Xizang Autonomous Region, May 8, 2024. Photo: Xinhua

A drone photo taken on May 10, 2024 shows pregnant Tibetan antelopes migrating to their habitual birth grounds at the Qiangtang National Nature Reserve in the northern part of southwest China's Xizang Autonomous Region. Photo: Xinhua

Pregnant Tibetan antelopes migrate to their habitual birth grounds at the Qiangtang National Nature Reserve in the northern part of southwest China's Xizang Autonomous Region, May 12, 2024. Photo: Xinhua