Colombian painter Luis Caballero, executed a mural at the end of the sixties on a wall of an old building at the University of the Andes, when he was a teacher at the at the University de los Andes School of Fine Arts. For unknown reasons, this mural was covered many years ago and over the first layer that hid it were overlapping many others over almost half a century, until plunging into oblivion. In the pages of this book the reader will find step by step how this painting that today forms part of the invaluable legacy of the artist to Colombian cultural heritage.