Baby giant pandas are seen at the Chengdu Research Base of Giant Panda Breeding in Chengdu, southwest China's Sichuan Province, Sept. 29, 2016. A total of 23 baby giant pandas born in 2016 made their debut here on Thursday. (Xinhua)

Breeders place baby giant pandas at the Chengdu Research Base of Giant Panda Breeding in Chengdu, southwest China's Sichuan Province, Sept. 29, 2016. A total of 23 baby giant pandas born in 2016 made their debut here on Thursday. (Xinhua)

Baby giant pandas are seen at the Chengdu Research Base of Giant Panda Breeding in Chengdu, southwest China's Sichuan Province, Sept. 29, 2016. A total of 23 baby giant pandas born in 2016 made their debut here on Thursday. (Xinhua)

Baby giant pandas are seen at the Chengdu Research Base of Giant Panda Breeding in Chengdu, southwest China's Sichuan Province, Sept. 29, 2016. A total of 23 baby giant pandas born in 2016 made their debut here on Thursday. (Xinhua)

Baby giant pandas are seen at the Chengdu Research Base of Giant Panda Breeding in Chengdu, southwest China's Sichuan Province, Sept. 29, 2016. A total of 23 baby giant pandas born in 2016 made their debut here on Thursday. (Xinhua)