Tourists have their photo taken as they pose with flamenco dresses next to a sign that shows Madrid's 2020 Olympics candidate city logo at Madrid's Plaza Mayor square September 4, 2013. The International Olympic Committee (IOC) will vote on Saturday in Buenos Aires to decide whether Madrid, Tokyo or Istanbul will be awarded the world's biggest and most expensive sporting event. REUTERS/Susana Vera (SPAIN - Tags: SPORT OLYMPICS TRAVEL)