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
School of Sciences, UNAM is rather different from that of other schools that have their origins in former national schools. The study plan for this faculty was initially given in the Philosophy Faculty of the UNAM. The Biology major was the first one to have a structured study plan, originating around 1930. It was not until 1933 that the majors of Physics and Mathematics were founded. Formerly, the faculty was located in a small building between the Faculty of Engineering and Medicine. Due to the increasing number of students, the Faculty had to construct new buildings, conveniently located among the research science institutes of