1999 UNAM strike who signed a statement saying they could not afford the new rates. A group of students quickly organized a protest, on the grounds that thousands of students would have to see their studies interrupted unable to afford tuition. With the support of the community, UNAM was shut down temporarily by the protesters during part of February and also part of March 1999. Ultimately on April 20, 1999, this group referred to itself as the Comité General de Huelga (CGH or "Strike General Committee") and declared a continuing, if not permanent, closure of the university. In June 1999, the 132-member government
School of Sciences, UNAM four other buildings lodging the Faculty's respective departments and their faculty. The newer part of the complex consists of two buildings, one called "Amoxcalli", which holds the Faculty's library and the Computing Center. The newest one is called "Tlahuizcalpan" which hosts various labs and research premises, as well as classrooms. In recent years, an interdisciplinary extension of the Faculty was inaugurated in the port of Sisal, Yucatán, devoted to the research of coastal ecosystems and their species. The National Herbarium of Mexico at UNAM in Mexico City houses the largest collection of plant specimens in all of Latin America and