A zoo worker feeds a cub of the South China tiger in the Wangcheng zoo in Luoyang, central China's Henan Province, Aug. 26, 2010. The three baby tigers were shown up to the public on Thursday for the first time since they were born in August. Their mother "Niuniu", has miraculously given birth to a total of seven tigers since 2009. [Xinhua/Gao Shanyue]