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. Photo:Xinhua

 

Golden monkeys play at a valley in Foping County, northwest China's Shaanxi Province, Aug. 3, 2018. 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. Photo:Xinhua

 

A crested ibis rests at an ecological park in Yangxian County, northwest China's Shaanxi Province, March 20, 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. Photo:Xinhua

 

A giant panda eats bamboo at the Qinling research center of giant panda breeding in northwest China's Shaanxi Province, Dec. 3, 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. Photo:Xinhua

 

Giant pandas eat bamboo at the Qinling research center of giant panda breeding in northwest China's Shaanxi Province, Dec. 3, 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. Photo:Xinhua

 

A crested ibis rests at a wild training base in Tongchuan City, northwest China's Shaanxi Province, June 13, 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. Photo:Xinhua

 

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. Photo:Xinhua

 

A takin walks on the edge of a cliff in the Qinling Mountains, northwest China's Shaanxi Province, June 27, 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. Photo:Xinhua

 

Takins walk on the edge of a cliff in the Qinling Mountains, northwest China's Shaanxi Province, June 27, 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. Photo:Xinhua

 

Takins walk on the edge of a cliff in the Qinling Mountains, northwest China's Shaanxi Province, June 27, 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. Photo:Xinhua