 These five medieval streets were transformed into pedestrian streets in the 1980s.Until the destruction of the city walls, the main road called "rue de-devant-le-château", was built on its west (east is bordered by ditches) with several houses with arcades, called "soliers".After the dismantling of the walls, inside which lived three-fifths of the population, the city extended up to its natural boundaries at the end of the 17th century