Costa Rica's Nery Brenes leads the men's [Getty Images]

Costa Rica's Nery Brenes leads the men's 400m final at the 2012 IAAF World Indoor Athletics Championships at the Atakoy Athletics Arena in Istanbul on March 10, 2012. AFP PHOTO / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)

AFP GABRIEL BOUYS