Visitors walk on a new elevated walkway as they pass by a rescued tiger at The Wild Animal Sanctuary on the prairie near Keenesburg, Colorado May 22, 2012. The 720 acre (291 hectares) sanctuary is a refuge for large carnivores such as tigers, bears and lions that have been seized from illegal or abusive cases around the world. REUTERS/Rick Wilking (UNITED STATES - Tags: ANIMALS SOCIETY TPX IMAGES OF THE DAY)
Visitors walk on a new elevated walkway as they pass by a rescued tiger at The Wild Animal Sanctuary on the prairie near Keenesburg, Colorado May 22, 2012. The 720 acre (291 hectares) sanctuary is a refuge for large carnivores such as tigers, bears and lions that have been seized from illegal or abusive cases around the world. REUTERS/Rick Wilking (UNITED STATES - Tags: ANIMALS SOCIETY TPX IMAGES OF THE DAY)