premise: The itinerary we propose deals in turn with the various layers of Provencal the Roman towns of Orange, Vaison, N?®mes, and Arles; the medieval bastions of Les Baux and Avignon; the ancient villages of the Lub??ron mountains; and finally the cheerful streets of Aix-en-Provence.
hypothesis: The towns of Orange, and Vaison have a strong vast history.