Ring-tailed lemurs eat fruits at the Hefei Wildlife Park in Hefei, east China's Anhui Province, Aug. 1, 2019. The wildlife park has taken various actions to help animals cool off in the scorching weather. (Xinhua/Zhang Duan)

A breeder sprays water to an elephant to help it cool off at the Hefei Wildlife Park in Hefei, east China's Anhui Province, Aug. 1, 2019. The wildlife park has taken various actions to help animals cool off in the scorching weather. (Xinhua/Zhang Duan)

A breeder feeds giraffes with watermelon at the Hefei Wildlife Park in Hefei, east China's Anhui Province, Aug. 1, 2019. The wildlife park has taken various actions to help animals cool off in the scorching weather. (Xinhua/Zhang Duan)

Ring-tailed lemurs eat fruits at the Hefei Wildlife Park in Hefei, east China's Anhui Province, Aug. 1, 2019. The wildlife park has taken various actions to help animals cool off in the scorching weather. (Xinhua/Zhang Duan)

Squirrel monkeys eat fruits at the Hefei Wildlife Park in Hefei, east China's Anhui Province, Aug. 1, 2019. The wildlife park has taken various actions to help animals cool off in the scorching weather. (Xinhua/Zhang Duan)

Squirrel monkeys eat fruits at the Hefei Wildlife Park in Hefei, east China's Anhui Province, Aug. 1, 2019. The wildlife park has taken various actions to help animals cool off in the scorching weather. (Xinhua/Zhang Duan)

A breeder feeds a giraffe with watermelon at the Hefei Wildlife Park in Hefei, east China's Anhui Province, Aug. 1, 2019. The wildlife park has taken various actions to help animals cool off in the scorching weather. (Xinhua/Zhang Duan)

A breeder feeds an elephant with watermelon at the Hefei Wildlife Park in Hefei, east China's Anhui Province, Aug. 1, 2019. The wildlife park has taken various actions to help animals cool off in the scorching weather. (Xinhua/Zhang Duan)