![](http://www.ecns.cn/hd/2019/11/01/0302b45953c14671bd4add680b3910cb.jpg)
A giant panda plays on a tree at the Research and Conservation Center for Giant Panda in the Wolong Nature Reserve in southwest China's Sichuan Province, October 30, 2019. (Photo/China News Service)
![](http://www.ecns.cn/hd/2019/11/01/9d50ccdff84d4a32ac96ca9129848b7e.jpg)
Giant pandas play on a tree at the Research and Conservation Center for Giant Panda in the Wolong Nature Reserve in southwest China's Sichuan Province, October 30, 2019. (Photo/China News Service)
![](http://www.ecns.cn/hd/2019/11/01/84449d978bbc4ed79c4cdeea76e14d9c.jpg)
Giant pandas play on a tree at the Research and Conservation Center for Giant Panda in the Wolong Nature Reserve in southwest China's Sichuan Province, October 30, 2019. (Photo/China News Service)
![](http://www.ecns.cn/hd/2019/11/01/1f9014dd3d9344ea8fb230a3bf02fa9a.jpg)
Giant pandas play on a tree at the Research and Conservation Center for Giant Panda in the Wolong Nature Reserve in southwest China's Sichuan Province, October 30, 2019. (Photo/China News Service)