 Castro interests also include the 17th- and 18th-century European notion of limits as well as systemic thinking and mnemonics within design.Interested in literature and philosophy, Castro's analysis of architecture or art also incorporated literary concepts.Introduced to the writings of Alejo Carpentier by his uncle Dicken Castro, he elaborated on the idea of "lo real maravilloso" (the real-marvelous) in the 1992 essay "Thoughts at the Edge of Architecture