The main elements of the program are concentrated in a main structure with a central circulation space with stairways and generous overhead lighting.
This architecture, which gives as much importance to social aspects as spatial considerations, participates in the definition of a new type of urbanism. The bunker allows a rethinking of the concept of unity within the discontinuity of the city. the central, undivided void and its ramps encourages the free movement of users and encourages their receptivity to participation in a calm, collective activity.