Arboretum in Free Landscape
Isabel Alguacil has written a complete article with many photos about the Arboretum in her blog about landscaping, visits to gardens, plants, nurseries and landscapers around the world: Free Landscape . You can see it at the following link:
Luis Ceballos Arboretum in San Lorenzo de El Escorial
Luis Ceballos Arboretum in San Lorenzo de El Escorial
http://arboretoluisceballos.blogspot.com/2012/12/arboreto-en-paisajes-libre.html