Twin tiger cubs celebrate their one-month anniversary at Hangzhou Safari Park in Hangzhou City, East China’s Zhejiang Province, May 26, 2019. The pair are considered rare as one is a golden tabby tiger and one a white tiger, both coloured versions of the Bengal Tiger subspecies. (Photo provided to China News Service)

Twin tiger cubs celebrate their one-month anniversary at Hangzhou Safari Park in Hangzhou City, East China’s Zhejiang Province, May 26, 2019. The pair are considered rare as one is a golden tabby tiger and one a white tiger, both coloured versions of the Bengal Tiger subspecies. (Photo provided to China News Service)

Twin tiger cubs celebrate their one-month anniversary at Hangzhou Safari Park in Hangzhou City, East China’s Zhejiang Province, May 26, 2019. The pair are considered rare as one is a golden tabby tiger and one a white tiger, both coloured versions of the Bengal Tiger subspecies. (Photo provided to China News Service)

Twin tiger cubs celebrate their one-month anniversary at Hangzhou Safari Park in Hangzhou City, East China’s Zhejiang Province, May 26, 2019. The pair are considered rare as one is a golden tabby tiger and one a white tiger, both coloured versions of the Bengal Tiger subspecies. (Photo provided to China News Service)