 Complete the following phrase:  The complex was ordered built by the administration of President Adolfo López Mateos, between 1960 and 1965, with ficing and condominium administration provided by the Banco Nacional Hipotecario, Urbano y de Obras Publicas, S.A. The area has been an urban center since the pre-Hispanic period, when it began as an independent city state on an island in Lake Texcoco. By the time 