In an environment characterized by its singular geography, situated between the hills of Saint-Priest-en-Jarez and Villars, the new stadium is gradually emerging landscape, such as a new hill, combining his curves to those of the park that surrounds it. These new spaces connect the Jean Marc Park North and the Museum of Modern Art in the South.The roof covering the stadium and multiple business and sports, gather them into a single coherent reading.The orientation and shape of the building, emerging from the North to the South, develop two main squares access full foot connected to Pierre Mendes-France avenue and tram.The main structure of the stadium is covered with structural arches mesh and lightweight, with a skin made of ETFE.These ribbons evoke the time that made the reputation of Saint-Etienne, and refining, reveal the heart of the stage: his cauldron.Night, the stadium is adorned with colors across its translucent skin and fishnet structural, giving the impression of floating above the canopy. It becomes a new and strong signal in the contemporary landscape.