Regarded as one of the most representative work of Spanish modern architecture, the building well integrates structural design, natural lightimg management and a complex functional program. A section would better explain the Gimnasio structure: a gym on the ground floor; theatre-style classrooms – located in the roof structure – are pushed back from the walls to provide a glazed portion which lights the gym floor below; the playground is placed on the top of the building, on the flat terrace. (EP)