(An aerial shot shows the Arena Fonte Nova stadium, one of the stadiums hosting the 2014 World Cup soccer matches, in Salvador, in the state of Bahia, northern Brazil March 28, 2014. Picture taken March 28, 2014. REUTERS/Valter Pontes )

(Arena Fonte Nova stadium, one of the stadiums hosting the 2014 World Cup soccer matches, in Salvador, in the state of Bahia, northern Brazil March 28, 2014. REUTERS/Valter Pontes )