China's Sun Yang celebrates after winning the gold medal in the Men's 1500m freestyle final at the FINA Swimming World Championships in Barcelona, Spain, Sunday, Aug. 4, 2013. (AP Ph

 

              China
China's Sun Yang celebrates after winning the gold medal in the Men's 1500m freestyle final at the FINA Swimming World Championships in Barcelona, Spain, Sunday, Aug. 4, 2013. (AP Photo/Manu Fernandez)