Giant panda Hua Zui Ba eats bamboos at the Chengdu Research Base of Giant Panda Breeding in Chengdu, southwest China's Sichuan Province, May 13, 2026. (Photo by Hu Guolin/Xinhua)

Giant panda Lun Lun is pictured at the Chengdu Research Base of Giant Panda Breeding in Chengdu, southwest China's Sichuan Province, May 13, 2026. (Photo by Hu Guolin/Xinhua)

A giant panda cub sleeps on a tree at the Chengdu Research Base of Giant Panda Breeding in Chengdu, southwest China's Sichuan Province, May 13, 2026. (Photo by Hu Guolin/Xinhua)

A giant panda cub plays on a tree at the Chengdu Research Base of Giant Panda Breeding in Chengdu, southwest China's Sichuan Province, May 13, 2026. (Photo by Hu Guolin/Xinhua)

Giant panda Hua Zui Ba is pictured at the Chengdu Research Base of Giant Panda Breeding in Chengdu, southwest China's Sichuan Province, May 13, 2026. (Photo by Hu Guolin/Xinhua)