A public housing complex located in Torices de Cartagena, Entrelagos consists of a tower with 256 apartments in a gated complex with amenities, such as terraces with views and BBQ areas. Its design is cutting edge. Sustainable aspects of the project include the low proportion of windows on the façade, reflective paint on the façade, elements that cast shadows in the windows, efficient lighting in the indoor and outdoor areas, lighting controls, and the installation of low consumption faucets, toilets and showers.