File photo taken on June 24, 2017 shows a conservationist trying to rescue an injured Tibetan antelope in southwest China's Tibet Autonomous Region. With efforts from top to bottom, the Tibetan antelope population in Tibet has risen from around 50,000 in the 1990s to more than 200,000 today. The species has been brought back from the brink of extinction. (Xinhua/Purbu Zhaxi)
