Measures taken to keep animals from heat wave

Giant panda "Shunshun" eats icy cake at the Hainan Tropical Wildlife Park and Botanical Garden in Haikou, south China's Hainan Province, April 28, 2019. Measures are taken in the zoo to keep the animals from heat wave. (Xinhua/Yang Guanyu)

Hippos are fed with watermelons at the Hainan Tropical Wildlife Park and Botanical Garden in Haikou, south China's Hainan Province, April 28, 2019. Measures are taken in the zoo to keep the animals from heat wave. (Xinhua/Yang Guanyu)

A macaque eats watermelon at the Hainan Tropical Wildlife Park and Botanical Garden in Haikou, south China's Hainan Province, April 28, 2019. Measures are taken in the zoo to keep the animals from heat wave. (Xinhua/Yang Guanyu)

Giant panda "Shunshun" eats icy cake at the Hainan Tropical Wildlife Park and Botanical Garden in Haikou, south China's Hainan Province, April 28, 2019. Measures are taken in the zoo to keep the animals from heat wave. (Xinhua/Yang Guanyu)

Macaques get watermelons at the Hainan Tropical Wildlife Park and Botanical Garden in Haikou, south China's Hainan Province, April 28, 2019. Measures are taken in the zoo to keep the animals from heat wave. (Xinhua/Yang Guanyu)

A staff member prepares icy cake for giant panda at the Hainan Tropical Wildlife Park and Botanical Garden in Haikou, south China's Hainan Province, April 28, 2019. Measures are taken in the zoo to keep the animals from heat wave. (Xinhua/Yang Guanyu)

Macaques eat watermelons at the Hainan Tropical Wildlife Park and Botanical Garden in Haikou, south China's Hainan Province, April 28, 2019. Measures are taken in the zoo to keep the animals from heat wave. (Xinhua/Yang Guanyu)

Giant panda "Shunshun" plays with ice cube at the Hainan Tropical Wildlife Park and Botanical Garden in Haikou, south China's Hainan Province, April 28, 2019. Measures are taken in the zoo to keep the animals from heat wave. (Xinhua/Yang Guanyu)