The internal space is like an interpenetration of two bodies that, if necessary, can be separated and independent. On the ground floor are located living and sleeping areas, divided by a retractable door. The living room is characterized by a double-height space where are created relax, study and play spaces. The parapet is designed as element composed of open wooden cubes with a containing function. The living area is connected with the outdoor thanks to a large window, which allows a natural environmental lighting .