(AP Photo/Eduardo Verdugo) :: Mexico's President FelipeCalderon, left, seals a metal container that will serve as a time capsule, as Julio Valencia, architect in charge of the renovation of the MetropolitanCathedral, looks on in Mexico City, Friday, July 18, 2008. The box, containing music, photographs, movies and messages from Mexican politicians, scientists and athletes, will be housed in one of the towers of the Cathedral, in the same location where a 1791 time capsule was found last January. [Read Full Story]