The forecourt, the promenade, the town square and the courtyard constitute classic types of urban markers for cultural buildings. Our aim is to modify the status of these associated spaces by interiorising them. As a forecourt, a garden situated below the Ring forms an extension of the hall. As a visual extension of the level of the ground of the side path, a large shade house shelters this space. Then, higher up, the building features a range of exterior spaces accessible to visitors, reinforcing the sensation of a merger between the Cultural Centre and its environment. On these raised outside spaces, near and far stand side by side. In places where everything becomes possible. What is unforeseen confers on architecture a capacity to enchant, a poetic dimension. These large empty spaces, ready for future projects, are all distinct areas able to house artistic installations, receptions and performances. The temporary thus structures the permanent by giving free rein to its dynamism and vitality. The image of the cultural centre from the city is consequently renewed on each occasion, distinguishing itself from the rigid character of institutional buildings.