Khan, a five-year-old male Bengali White Tiger, participates in his training session with a piece of meat inside an open-air cage at the Royev Ruchey Zoo on the suburbs of the Siberian city of Krasnoyarsk, Russia, August 1, 2015. Zookeepers train Khan using meat suspended on a chain so that the tiger will not lose motor and mental skills associated with hunting, an official representative of the zoo said. (Photo by Ilya Naymushin/Reuters)
