Siberian tigers play at the China Hengdaohezi Feline Breeding Center in Hailin City, northeast China's Heilongjiang Province, Nov. 22, 2018. (Xinhua/Wang Jianwei)
A Siberian tiger is seen at the China Hengdaohezi Feline Breeding Center in Hailin City, northeast China's Heilongjiang Province, Nov. 21, 2018. (Xinhua/Wang Jianwei)
Siberian tigers play at the China Hengdaohezi Feline Breeding Center in Hailin City, northeast China's Heilongjiang Province, Nov. 22, 2018. (Xinhua/Wang Jianwei)
Siberian tigers play at the China Hengdaohezi Feline Breeding Center in Hailin City, northeast China's Heilongjiang Province, Nov. 21, 2018. (Xinhua/Wang Jianwei)
Siberian tigers play at the China Hengdaohezi Feline Breeding Center in Hailin City, northeast China's Heilongjiang Province, Nov. 21, 2018. (Xinhua/Wang Jianwei)
Siberian tigers play at the China Hengdaohezi Feline Breeding Center in Hailin City, northeast China's Heilongjiang Province, Nov. 21, 2018. (Xinhua/Wang Jianwei)
A Siberian tiger is seen at the China Hengdaohezi Feline Breeding Center in Hailin City, northeast China's Heilongjiang Province, Nov. 21, 2018. (Xinhua/Wang Jianwei)
Siberian tigers play at the China Hengdaohezi Feline Breeding Center in Hailin City, northeast China's Heilongjiang Province, Nov. 21, 2018. (Xinhua/Wang Jianwei)
