Giant panda twins Qin Qin and Ai Ai eat cookies at Chimelong Safari Park in Guangzhou, South China's Guangdong province, March 28, 2018. Born here in October of 2016, the male giant panda twin cubs are expected live without milk at around the age of two, according to the safari park staff. [Photo/Xinhua]

Currently, there are four giant pandas in Hangzhou, two at Hangzhou Zoo and two at Hangzhou Safari Park. The project is scheduled to bring in another 20 giant pandas by 2022.

Li Desheng, an expert from the China Conservation and Research Center for the Giant Panda, said there were many zoos with giant pandas across the country, but there were only a very few research and breeding centers.