![African lion cubs play at the Qinghai-Tibet Plateau Wild Zoo in Xining, capital of northwest China\'s Qinghai Province, Nov. 27, 2018. Three six-month-old African lions have survived the extreme environment of the Qinghai-Tibet Plateau, a new record for those breeding the species on the plateau. The three female cubs born on May 9 are now able to hunt for food by themselves. (Xinhua/Zhang Long)](http://www.ecns.cn/hd/2018/11/28/ce4e6ec9b1664c39b8594d08079ed5fc.jpg)
African lion cubs play at the Qinghai-Tibet Plateau Wild Zoo in Xining, capital of northwest China's Qinghai Province, Nov. 27, 2018. Three six-month-old African lions have survived the extreme environment of the Qinghai-Tibet Plateau, a new record for those breeding the species on the plateau. The three female cubs born on May 9 are now able to hunt for food by themselves. (Xinhua/Zhang Long)
![An African lion cub is seen at the Qinghai-Tibet Plateau Wild Zoo in Xining, capital of northwest China\'s Qinghai Province, Nov. 27, 2018. Three six-month-old African lions have survived the extreme environment of the Qinghai-Tibet Plateau, a new record for those breeding the species on the plateau. The three female cubs born on May 9 are now able to hunt for food by themselves. (Xinhua/Zhang Hongxiang)](http://www.ecns.cn/hd/2018/11/28/7f0faa4c70e441c8a96e8081a0fae623.jpg)
An African lion cub is seen at the Qinghai-Tibet Plateau Wild Zoo in Xining, capital of northwest China's Qinghai Province, Nov. 27, 2018. Three six-month-old African lions have survived the extreme environment of the Qinghai-Tibet Plateau, a new record for those breeding the species on the plateau. The three female cubs born on May 9 are now able to hunt for food by themselves. (Xinhua/Zhang Hongxiang)
![An African lion cub is seen at the Qinghai-Tibet Plateau Wild Zoo in Xining, capital of northwest China\'s Qinghai Province, Nov. 27, 2018. Three six-month-old African lions have survived the extreme environment of the Qinghai-Tibet Plateau, a new record for those breeding the species on the plateau. The three female cubs born on May 9 are now able to hunt for food by themselves. (Xinhua/Zhang Hongxiang)](http://www.ecns.cn/hd/2018/11/28/2d30f204302c4095a6c03277f34d08bd.jpg)
An African lion cub is seen at the Qinghai-Tibet Plateau Wild Zoo in Xining, capital of northwest China's Qinghai Province, Nov. 27, 2018. Three six-month-old African lions have survived the extreme environment of the Qinghai-Tibet Plateau, a new record for those breeding the species on the plateau. The three female cubs born on May 9 are now able to hunt for food by themselves. (Xinhua/Zhang Hongxiang)
![An African lion cub is seen at the Qinghai-Tibet Plateau Wild Zoo in Xining, capital of northwest China\'s Qinghai Province, Nov. 27, 2018. Three six-month-old African lions have survived the extreme environment of the Qinghai-Tibet Plateau, a new record for those breeding the species on the plateau. The three female cubs born on May 9 are now able to hunt for food by themselves. (Xinhua/Zhang Long)](http://www.ecns.cn/hd/2018/11/28/75b474b46f2645a399ebb2a7f1f1b643.jpg)
An African lion cub is seen at the Qinghai-Tibet Plateau Wild Zoo in Xining, capital of northwest China's Qinghai Province, Nov. 27, 2018. Three six-month-old African lions have survived the extreme environment of the Qinghai-Tibet Plateau, a new record for those breeding the species on the plateau. The three female cubs born on May 9 are now able to hunt for food by themselves. (Xinhua/Zhang Long)
![An African lion cub is seen at the Qinghai-Tibet Plateau Wild Zoo in Xining, capital of northwest China\'s Qinghai Province, Nov. 27, 2018. Three six-month-old African lions have survived the extreme environment of the Qinghai-Tibet Plateau, a new record for those breeding the species on the plateau. The three female cubs born on May 9 are now able to hunt for food by themselves. (Xinhua/Zhang Hongxiang)](http://www.ecns.cn/hd/2018/11/28/a3fcda8e5399428c8ce387c1a2973434.jpg)
An African lion cub is seen at the Qinghai-Tibet Plateau Wild Zoo in Xining, capital of northwest China's Qinghai Province, Nov. 27, 2018. Three six-month-old African lions have survived the extreme environment of the Qinghai-Tibet Plateau, a new record for those breeding the species on the plateau. The three female cubs born on May 9 are now able to hunt for food by themselves. (Xinhua/Zhang Hongxiang)