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 Political and Social Sciences, UNAM relations, sociology and anthropology. At a postgraduate level FCPyS offers "Maestrías" (Master's degrees) in five areas of study, and a "Doctorado" (doctorate) in political and social science that is oriented to one of five specialities. FCPyS also operates and has responsibility for a number of specialised semi-autonomous research institutions, such as the Centro de Relaciones Internacionales (CRI). School of Political and Social Sciences, UNAM The Facultad de Ciencias Políticas y Sociales (FCPyS, "Faculty of Political and Social Sciences") is a faculty within Mexico's Universidad Nacional Autónoma de México (UNAM), responsible for directing research and teaching programs in the fields of