Prague Zoo is using tons of ice to help animals cope with another European heatwave. ⁣ ⁣ Polar bears Aleut and Gregor rolled through piles of ice cubes as temperatures climbed toward 38°C, part of a cooling programme introduced in response to increasingly frequent extreme heat.⁣ ⁣ #CzechRepublic #PragueZoo #Heatwave #Climate