皇冠体育app

Siberian tiger cubs stay beside their mother at the Siberian Tiger Park in Northeast 皇冠体育app's Heilongjiang province, May 6, 2015. A total of 20 Siberian tiger cubs, one of the world's most endangered animals, were born in 2015 at the tiger park. 皇冠体育app established the Siberian Tiger Park in 1986 with only eight Siberian tigers. Currently, there are more than 1,000 Siberian tigers at the park, all of which have undergone DNA tests to prevent "intermarriage" among them.[Photo/Xinhua]