LONDON, ENGLAND - AUGUST 01: (From top) Iuliia Efimova of Russia and Ye Sun of China compete in heat 4 of the Women's 200m Breaststroke on Day 5 of the London 2012 Olympic Games at the Aquatics Centre on August 1, 2012 in London, England. (Photo by Al Bello/Getty Images)
LONDON, ENGLAND - AUGUST 01: (From top) Iuliia Efimova of Russia and Ye Sun of China compete in heat 4 of the Women's 200m Breaststroke on Day 5 of the London 2012 Olympic Games at the Aquatics Centre on August 1, 2012 in London, England. (Photo by Al Bello/Getty Images)
