Photo taken on July 15, 2018 shows Tibetan wild donkeys in Hoh Xil, northwest China's Qinghai Province. (Xinhua/Tian Wenjie)

Photo taken on July 15, 2018 shows Tibetan antelopes and Tibetan wild donkeys in Hoh Xil, northwest China's Qinghai Province. (Xinhua/Tian Wenjie)