The Central Library at the National Autonomous University of Mexico.
They are surrounded by vast open spaces, esplanades and gardens.
Each of the four walls represents a different era.
The murals were done by Juan O’Gorman.
Photo credit:kate mccarthy/Flickr
Photo credit:verifex/Flickr
Photo credit:Carlos Enrique Lopez C/Flickr
Sources:Wikipedia/www.worldheritagesite.org/UNESCO
