Rio de Janeiro, BRAZIL: Argentine hockey player Luciana Aymar, leads her country's delegation at the Maracana Stadium in Rio de Janerio, Brazil, on July 13th, 2007, during the inauguration ceremony of the XV Pan American Games Rio 2007, in which 5.662 athletes from 42 countries will participate.  AFP PHOTO/ANTONIO SCORZA (Photo credit should read ANTONIO SCORZA/AFP/Getty Images)