Two African baby lionesses play around at their enclosure in the Qinghai-Tibet plateau wildlife Zoo in Xining City, Qinghai Province, November 13 2018. As part of wildlife conservation efforts,the zoo has succeed in breeding three African lionesses at its facility, with one born on May 9 and two born on May 15. (Photos: VCG)

Three African lion cubs gather at a corner in a cage in the Qinghai-tibet plateau wildlife Zoo in Xining City, Qinghai Province, November 13 2018. As part of wildlife conservation efforts,the zoo has succeed in breeding three African lionesses at its facility, with one born on May 9 and two born on May 15.

A zoo keeper and three African lion cubs are seen at the Qinghai-Tibet plateau wildlife Zoo in Xining City, Qinghai Province, November 13 2018. As part of wildlife conservation efforts,the zoo has succeed in breeding three African lionesses at its facility, with one born on May 9 and two born on May 15.

Two African baby lionesses play around at their enclosure in the Qinghai-Tibet plateau wildlife Zoo in Xining City, Qinghai Province, November 13 2018. As part of wildlife conservation efforts,the zoo has succeed in breeding three African lionesses at its facility, with one born on May 9 and two born on May 15.