Long windows are like cutouts in the building, positioned according to the interiors and their functions, providing natural daylight. The sliding doors from the ground floor and the volume through the building on the upper floor are made of weathering steel. The elevator box that connects the house to the annex making all floors fully accessible is made of glass and allows a panoramic view of the patio and deck, which are located at the backyard. The house and attached building are linked by a covered patio for guest access, which is located on the ground floor. The public entrance control takes place on the same floor, where there is a reception, spaces dedicated to exhibitions, toilets, and stairs, as well as a gift shop. The windows on this floor are at ground level, are 90 cm high and overlook the outside garden. In the basement, there are the classrooms with infinite layout possibilities, which can also be used for lectures and workshops, a workroom and/or meetings room, as well as toilets and a pantry. Although the floor is underground, there is natural light through the long windows, which are 3.5 meters from the floor. On the upper floor is where the library and coffee shop are located, and has three levels with differences of 60 cm in height, creating a path through the floor. In addition to a possible resting place, where people can pick up their books and sit down to read them, enjoying a beautiful exterior view and a coffee. On the stairs that connect the ground floor and the upper floor, there is a zenithal lighting system, which guarantees a certain illumination for the reception area but respecting the place of the library's local collection, which has artificial lighting to ensure the preservation of the books.