Qizai, a rare brown and white giant panda, is seen at the Qinling research center of giant panda breeding in northwest China's Shaanxi Province, Dec. 4, 2019. The Qinling Mountains, a natural boundary between the country's north and south, are home to a huge variety of plants and wild animals such as giant pandas, golden monkeys, crested ibis and takins. (Xinhua/Zhang Bowen)