A polar bear licks an ice cube to relieve summer heat at the zoo of Beijing, capital of China, Aug. 10, 2016. The zoo took various measures to help the animals spend hot summer days. (Xinhua/Ju Huanzong)
A polar bear licks an ice cube to relieve summer heat at the zoo of Beijing, capital of China, Aug. 10, 2016. The zoo took various measures to help the animals spend hot summer days. (Xinhua/Ju Huanzong)