Buyan, a male Siberian brown bear, cools down under a stream of water sprayed by an employee in its enclosure on a hot summer day, with the air temperature at about 33 degrees Celsius (91.4 degrees Fahrenheit) at the Royev Ruchey zoo on the suburbs of Krasnoyarsk, Siberia, Russia, June 14, 2016. (Photo by Ilya Naymushin/Reuters)
