A giant panda relaxes at Chongqing Zoo in Chongqing, Southwest China, Nov 2, 2017. [Photo/Xinhua]

A giant panda eats bamboo at Chongqing Zoo in Chongqing, Southwest China, Nov 2, 2017.[Photo/Xinhua]

Two giant pandas play at Chongqing Zoo in Chongqing, Southwest China, Nov 2, 2017.[Photo/Xinhua]

A giant panda eats bamboo at Chongqing Zoo in Chongqing, Southwest China, Nov 2, 2017.[Photo/Xinhua]

A giant panda relaxes at Chongqing Zoo in Chongqing, Southwest China, Nov 2, 2017.[Photo/Xinhua]

A giant panda eats bamboo at Chongqing Zoo in Chongqing, Southwest China, Nov 2, 2017.[Photo/Xinhua]