Palm Desert, UNITED STATES
A warthog lays in his den at the Living Desert zoo in Palm Desert
A warthog lays in his den at the "Living Desert" zoo in Palm Desert, Calif. February 19, 2006. The zoo was established in 1970 as a 360 acre wilderness preserve of the deserts of the world and is the only zoological and botanical park specializing in one ecosystem. REUTERS/Mario Anzuoni
