The Rio Piedras Market Place is the largest and most important public market in Puerto Rico. n spite of the existing building's functional and symbolic importance, its previous condition had major flaws that made its intense institutional use ineffective. With minimalist interventions in form, but radical in content, the design aimed at augmenting the building's potential as an urban space. Recalling our tropical and Caribbean condition, an all jalousie facade was used to neutralize the visual chaos that exists in the area. " An emphasis is given to natural light through the use of multiple conical skylights that perforate most of the eight vaults that roof the main space and with the creation of an interior courtyard at the end of the vaulted space that is topped with a green skylight.