A young boy plays in a Siberian tiger sculpture at the Hengdaohezi Breeding Center for Felidae on October 26, 2007 in Harbin of Heilongjiang Province, China. (Photo by China Photos/Getty Images)

A Siberian tiger rests in the Hengdaohezi Breeding Center for Felidae on October 25, 2007 in Harbin of Heilongjiang Province, China. The center, established in 1986, is the world's biggest captive breeding base for Siberian tigers and more than 800 Siberian tigers have been raised here. (Photo by China Photos/Getty Images)

A Siberian tiger feeds her cubs at the Hengdaohezi Breeding Center for Felidae on October 26, 2007 in Harbin of Heilongjiang Province, China. The wild Siberian tiger (Panthera tigris altaica) only distributed in northeast China, the far east area of Russia and the North Korea. There are approximately 450 of the tigers in the world, around 20 of those are in China. (Photo by China Photos/Getty Images)