Constructed by the architect Claude-Nicolas Ledoux between 1775 and 1779, la SalineRoyale d’Arc-et-Senans – Royal Saltworks – in the heart of the Doubs département is the only remaining example of 18th century industrial architecture in France. It has belonged to the UNESCO world heritage list since 1982. Join us for a visit of the premises and a presentation of its brilliant creator in the company of guide Agathe Colin.