Folder style booklet.
Several variations in color, format and design.
Plaza Principal de Mejico.
Booklet shows illustration of The Zócalo or Plaza del Zócalo is the common name of the main square in central Mexico City. Prior to the colonial period, it was the main ceremonial center in the Aztec city of Tenochtitlan. The plaza used to be known simply as the "Main Square" or "Arms Square", and today its formal name is Plaza de la Constitución.