Feature: Aussie National Zoo and Aquarium helps animal cool down in sweltering summer

Photo taken on Jan. 7, 2019 shows tigers enjoying "ice cream" made of meat and blood at the National Zoo & Aquarium in Canberra, capital of Australia. As heat wave sweeps Canberra, the Australian National Zoo and Aquarium finds many ways to help animals prevent from the heat. (Xinhua/Pan Xiangyue)