Mexican billionaire Carlos Slim speaks during a tour of his Plaza Carso real estate development in Mexico City, Mexico, on Tuesday, Aug. 31, 2010....
Mexican billionaire Carlos Slim, right, walks with Arturo Elias, a spokesman for Slim, during a tour of his Plaza Carso real estate development in...
Construction worker walks by a scale reproduction of the new Soumaya Museum complex at the Plaza Carso real estate development in Mexico City,...
Mexican billionaire Carlos Slim speaks during a tour of his Plaza Carso real estate development in Mexico City, Mexico, on Tuesday, Aug. 31, 2010....
Mexican billionaire Carlos Slim, center, speaks during a tour of his Plaza Carso real estate development in Mexico City, Mexico, on Tuesday, Aug. 31,...
Mexican billionaire Carlos Slim attends a tour of his Plaza Carso real estate development in Mexico City, Mexico, on Tuesday, Aug. 31, 2010. Slim,...
Mexican billionaire Carlos Slim attends a tour of his Plaza Carso real estate development in Mexico City, Mexico, on Tuesday, Aug. 31, 2010. Slim,...
Construction continues on the Plaza Carso real estate development in Mexico City, Mexico, on Tuesday, Aug. 31, 2010. Mexican billionaire Carlos Slim,...
Mexican billionaire Carlos Slim speaks during a tour of his Plaza Carso real estate development in Mexico City, Mexico, on Tuesday, Aug. 31, 2010....
Construction continues on the Plaza Carso real estate development in Mexico City, Mexico, on Tuesday, Aug. 31, 2010. Mexican billionaire Carlos Slim,...
Mexican billionaire Carlos Slim, center, in red hard hat, speaks during a tour of his Plaza Carso real estate development in Mexico City, Mexico, on...
Mexican billionaire Carlos Slim, center, walks with the press during a tour of his Plaza Carso real estate development in Mexico City, Mexico, on...
Mexican billionaire Carlos Slim, center, in red hard hat, walks during a tour of his Plaza Carso real estate development in Mexico City, Mexico, on...
Mexican billionaire Carlos Slim laughs during a tour of his Plaza Carso real estate development in Mexico City, Mexico, on Tuesday, Aug. 31, 2010....
Mexican billionaire Carlos Slim, center, attends a press conference during a tour of his Plaza Carso real estate development in Mexico City, Mexico,...