Brazil's Daniel Dias celebrates after winning the gold medal by setting a new world record in the men's 50m butterfly S5 final at the 2012 Paralympics, Friday, Sept. 7, 2012, Dias was born with malformed upper and lower limbs and at the 2008 Summer Paralympics in Beijing had won a total of nine medals including four golds, more than any other athlete at the Games. (AP Photo/Lefteris Pitarakis)