Qinling Giant Panda Research Center in Shaanxi witnesses birth of four cubs

A staff member takes care of a giant panda cub at the Qinling Giant Panda Research Center in Northwest China's Shaanxi province, Aug 20, 2021. In 2021, the research center has witnessed the birth of four cubs, which raised the number of captive Qinling giant pandas to 36. [Photo/Xinhua]