Cheng Chaoyang (R) and his mother embrace each other after a paternity test in Liuzhou, South China's Guangxi Zhuang autonomous region, Dec 17, 2011. Cheng was abducted 23 years ago at the age of four from his hometown Jia county in Henan province. He was sold to a household in the Labao town of Liuzhou at a price of 3,000 yuan. After his foster parents recently told him the truth, he worked with the Liuzhou police, who contacted three families in his hometown that reported a missing child in 1988, and set a paternity tests for Dec 17. The DNA results showed that Cheng is the son of Ding Chucai and Lian Huazhen, and his real name is Ding Sheng. [Photo/CFP]