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

"Born of the same father but different mothers in Wolong Panda Base in Sichuan province, Gong Gong and Shun Shun are adapting well to the food, climate and environment at their new home on the tropical island, which is as spacious with over 1,000 square meters," Lyu said.

He said powerful ventilators and air conditioners have been installed to keep the panda pavilion cool, and dehumidifiers are employed to tackle the island's high humidity.