From the constraints of the site, the river and the hill, Arles has continuously rebuilt itself using the contributions of the past. Its basement, its building, its streets, each stratum is the witness of a state of the city… This exchange of influences corresponds to one of the two criteria that explain the inscription of Arles on the UNESCO World Heritage List. This tour through the streets of the city offers to decipher this history. By Cécile Gasc, animatrice de l'architecture et du patrimoine Reservation required on 04 90 49 39 31 RDV: place de la République, 13200 Arles