Giant panda Lousheng holds her baby at the Qinling Research Base of Giant Panda Breeding of Shaanxi Academy of Forestry in Xi'an, northwest China's Shaanxi Province, Sept. 17, 2019. Giant panda Lousheng has given birth to one cub recently, which is the third giant panda cub born in Shaanxi this year. (Photo by Xu Guanglan/Xinhua)

Giant panda Lousheng holds her baby at the Qinling Research Base of Giant Panda Breeding of Shaanxi Academy of Forestry in Xi'an, northwest China's Shaanxi Province, Sept. 17, 2019. Giant panda Lousheng has given birth to one cub recently, which is the third giant panda cub born in Shaanxi this year. (Photo by Xu Guanglan/Xinhua)

Staff members of the Qinling Research Base of Giant Panda Breeding of Shaanxi Academy of Forestry check the breastfeeding situation of giant panda Lousheng in Xi'an, northwest China's Shaanxi Province, Aug. 27, 2019. Giant panda Lousheng has given birth to one cub recently, which is the third giant panda cub born in Shaanxi this year. (Photo by Xu Guanglan/Xinhua)