A white lion cub at the Hangzhou Safari Park, Zhejiang Province licks its paw on May 31. After being abandoned by their mother at the zoo in late April, the total cubs were reared on a diet of dog's milk and have each since grown to around four kilograms. Photo: CFP/qq.com

Feeding time: White lion cubs and a Siberian tiger cub feed on milk from a dog at Hangzhou Safari Park. A species native to South Africa, there are no more than 300 white lions worldwide, according to the Global White Lion Protection Trust. Photo: CFP/qq.com

Photo: CFP/qq.com

Photo: CFP/qq.com

Photo: CFP/qq.com

Photo: CFP/qq.com