Guided tour in the city center: Portrait of City Supervised by a mediator City of art and history**, students of 2nd of the History of Arts section of the high school Honoré d'Urfé** deliver the portrait of 4 flagship elements of downtown Saint-Étienne, from Place Boivin to City Hall. This project, entitled «_ Pierres vivantes, sur les traces du patrimoine»_, carried out during the 2022-2023 school year in partnership with the service Ville d'art et d'histoire and the municipal and metropolitan archives of Saint-LaurentÉtienne, finds here a new echo with the general public by allowing students to experiment the profession of cultural mediator.