Brazil's Ricardinho shoots against Argentina during 5-a-side semi final soccer match at London 2012 Paralympic Games in the Olympic Park

Brazil's Ricardinho (2nd L) shoots against Argentina during their 5-a-side semi final soccer match at the London 2012 Paralympic Games at the Riverbank Arena in the Olympic Park September 6, 2012. Athletes with a visual impairment are eligible to compete in the sport. All four outfield players must wear blackout eyeshades to ensure fairness and the football contains ball bearings to produce a noise when it moves. REUTERS/Eddie Keogh