The members of the association Mémoire et Patrimoine SMN take you to the discovery of the industrial city of the Plateau, legacy of the Société Métallurgique de Normandie (SMN). The heritage that continues there almost 30 years after the closure of the plant allows you to relive with witnesses who tell you their stories about the daily lives of those who were born, raised and lived with the SMN. The buildings and places evoked also offer an immersion in a remarkable set of 20th century architecture.