The mainland delegation of Olympic gold medalists arrive at Hong Kong International Airport on Aug 24, 2012, for a three-day visit. A delegation of Olympic gold medalists from the mainland will show their stuff in an exhibition event during their three-day visit to Hong Kong. [Photo/Xinhua]

Sun Yang, center, swimming winner of the 400m freestyle and 1,500m freestyle, Lin Dan, left, badminton winner in the men’s singles, and Wu Minxia, diving winner of the 3m synchronized springboard and 3m springboard, listen to a speech during a welcome ceremony at Hong Kong International Airport on Aug 24, 2012. [Photo/Xinhua]