A park staffer shows wild animal skull specimen to tourists in Hainan Tropical Wildlife Park on Nov 23, 2019. [Photo by Zhang Jiacheng for chinadaily.com.cn]

Gong Gong plays at his swimming pool at Hainan Tropical Wildlife Park. [Photo by Zhang Jiacheng for chinadaily.com.cn]

Panda Shun Shun leisurely walks in his living room at Hainan Tropical Wildlife Park, where the normal temperature is kept at abiyt 22 degrees Centigrade. [Photo by Zhang Jiacheng for chinadaily.com.cn]

Panda Shun Shun enjoys his food at the Hainan Park. He eats about 20 kilograms of fresh bamboo a day. [Photo by Zhang Jiacheng for chinadaily.com.cn]

Panda Gong Gong offers a high profile welcome to visitors at Hainan Tropical Wildlife Park. Each of the panda brothers has its own outdoor playground, dotted with a swimming pool, slide, toys and trees. [Photo by Zhang Jiacheng for chinadaily.com.cn]

It's time for versatile Gong Gong's daily show at Hainan Tropical Wildlife Park. [Photo by Zhang Jiacheng for chinadaily.com.cn]

Gong Gong enjoys cooling down in a swimming pool at Hainan Tropical Wildlife Park. [Photo by Zhang Jiacheng for chinadaily.com.cn]