text: 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 .
  
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  The towns of Orange , and Vaison have a strong vast history .