The history of pre-Columbian Mexico dates back to the fourth millennium before Christ while the classical period begins around 250 AD. The witnesses of the past are associated with the cultures of Aztec, Maya, Olmec and other indigenous peoples. These photographs show the following examples: El Caracol, Chichén Itzá; El Castillo, Chichén Itzá; Temple of the Warriors, Chichén Itzá; Niche Pyramid, El Tajín; Palace of the Masks, Kabah; Pyramid Temple, Palenque; Temple of the Inscriptions, Palenque; Pyramid of the Moon, Teotihuacán; Pyramid of the Sun, Teotihuacán; Pyramid of the Magician, Uxmal; Colossal Head, Villahermosa. Calvendo calendars are premium products - a bit more pricey than others but with added benefits: Our calendars always look beautiful on your wall because we produce them locally with premium paper and sophisticated spiral binding, ensuring easy turning of pages and flat hanging against the wall. A protective transparent plastic cover sheet provides added stability and each calendar comes in five languages. Treat yourself to a Calvendo calendar and you get something that looks better all year round.