Giraffe on 'roof of the world'

​A mother giraffe walks with its child at the Qinghai- Tibet plateau wild zoo on April 6, 2017. A giraffe has been successfully born and bred at the Qinghai- Tibet plateau wild zoo in Xining, Qinghai province. Located at an altitude of 2,300 meters, the Qinghai- Tibet plateau wild zoo is also home to China's snow leopard breeding center. [Photo: Chinanews.com]