Liu Peng (R, front), general director of the State General Administration of Sports of China, who is also head of a delegation of the Chinese mainland Olympic gold medalists, presents a souvenir to the government of the Macao Special Administrative Region in Macao, south China, Aug. 26, 2012. The delegation of Chinese mainland London Olympics' gold medalists arrived in Macao Sunday afternoon for a three-day visit after concluding their three-day trip to Hong Kong, south China. (Xinhua/Wong Pun Keung)