A South China Tiger cub is seen at a zoo in Luoyang, central China's Henan Province, May 11, 2019. Six South China Tiger cubs, who were born in the zoo at the beginning of this year, are now allowed to meet the public. (Xinhua/Liu Gaoyang)

A South China Tiger cub is seen at a zoo in Luoyang, central China's Henan Province, May 11, 2019. Six South China Tiger cubs, who were born in the zoo at the beginning of this year, are now allowed to meet the public.

South China Tiger cubs are seen at a zoo in Luoyang, central China's Henan Province, May 11, 2019. Six South China Tiger cubs, who were born in the zoo at the beginning of this year, are now allowed to meet the public.

A South China Tiger cub is seen at a zoo in Luoyang, central China's Henan Province, May 11, 2019. Six South China Tiger cubs, who were born in the zoo at the beginning of this year, are now allowed to meet the public.