In this photo taken on May 7, 2009, a Siberian tiger crouches on top of a tourist bus at a branch of Harbin Siberian Tigers Breeding Center in Shenyang in northeast China’s Liaoning province. Eleven rare Siberian tigers kept in small cages and fed only chicken bones have died of malnutrition at the neaby Shenyang Forest Wild Animal Zoo, state media said Friday, March 12, 2010. (AP Photo) ** CHINA OUT ** Original Filename: China_Tiger_Deaths_XAW801.jpg