The new layout of the permanent exhibition pavilion at the City of the sea in Cherbourg echoes these extreme conditions. Our project deploys an entirely new visit from top to bottom, in a landscape in progressive transformation, simulating a descent into the depths. In this new visit, we have chosen to intertwine contemplation with hands-on experience and to alternate sensitive and playful approaches. Here, emotion and curiosity, awakening and understanding become one. The new fluidity of the spaces, made up of curves and slides, large open spaces and small cavities, are completed by the immersive force of installations such as the big fault, a real surprise in the visit. Luminous atmospheres, multimedia and large graphic panels generate interior landscapes in the scenography, enveloping the visit.