Aerial photo taken on March 27, 2022 shows a number of Tibetan antelopes in Gerze County of Ali Prefecture, southwest China's Tibet Autonomous Region. Nearly 10,000 Tibetan antelopes gathered in Gerze County, a rare occurrence believed to be related to the improvement of the biodiversity and protection endeavors. (PENBA / XINHUA)

Photo taken on March 27, 2022 shows a number of Tibetan antelopes in Gerze County of Ali Prefecture, southwest China's Tibet Autonomous Region. (SONAM RINQEN / XINHUA)

Photo taken on March 27, 2022 shows a number of Tibetan antelopes in Gerze County of Ali Prefecture, southwest China's Tibet Autonomous Region. (PENBA / XINHUA)

Photo taken on March 27, 2022 shows a number of Tibetan antelopes in Gerze County of Ali Prefecture, southwest China's Tibet Autonomous Region. (SONAM RINQEN / XINHUA)

Snapshot taken from a video shows a number of Tibetan antelopes in Gerze County of Ali Prefecture, southwest China's Tibet Autonomous Region, March 27, 2022. (SONAM RINQEN / XINHUA)