Central Library (UNAM) based on the mexica cosmogonical belief that the shape of the universe is composed of two joined ellipses. This one features Tlaloc glyphs related to tonalpohualli, the most important ritual calendar of the mexica people. Said calendar was the center of their celebrations and their astronomical calculations. The finishing stroke to this side of the mural is an image of the myth concerning the founding of the city of Mexico-Tenochtitlan. Central Library (UNAM) The Central Library of the National Autonomous University of Mexico (UNAM), is the main library in the Ciudad Universitaria Campus. It holds one of the largest collections
TV UNAM 2005 as a digital-only station, the first in Mexico. As part of the project, UNAM's DGTU (Dirección General de Televisión Universitaria or TV UNAM) began the broadcast of TV UNAM on October 24, 2005 on cable and satellite TV systems, including Cablevisión in the Valley of México and satellite TV provider SKY, and later Dish México. (As of 2014, TV UNAM is now required carriage for all cable systems in Mexico alongside several other public and cultural stations.) With the help of the government-owned OPMA public television network (now Sistema Público de Radiodifusión del Estado Mexicano (SPR)), it expanded its