Cheyenne, a Siberian tiger, romps in an old swimming pool at Tri-State Zoological Park in Cumberland, MD. Cheyenne is one of five tigers living in the enclosure. Siberian tigers are critically endangered with fewer than 450 living in the wild. Zoo owner Bob Candy said that the space is not aesthetically attractive — and that he wished he could find a way to make it more appealing — but that the tigers are well cared for.