A group of Siberian tigers rest in the Siberian Tiger Park in Harbin, capital of northeast China's Heilongjiang Province, Nov. 19, 2012. Altogether 91 Siberian tiger cubs, one of world's most endangered animals, were born in 2012 in the park. The park now has 1,067 Siberian tigers and is the largest Siberian tiger breeding and field training center in the world. (Xinhua/Wang Jianwei)
