Hong Kong's Yip Pui Yin celebrates during the women's singles badminton match against South Korea's Sung...
Hong Kong's Yip Pui Yin celebrates after scoring a point against South Korea's Sung Ji-hyun during their women's singles group play stage Group J badminton match during the London 2012 Olympic Games at the Wembley Arena July 30, 2012. REUTERS/Bazuki Muhammad (BRITAIN - Tags: SPORT BADMINTON SPORT OLYMPICS)