panoramic view of the cathar castle of carcassonne and its entrance through a medieval bridge under a cloudy sky

cloudy sky walled city vicomtes de carcassonne trencavel sacopy nacopy chal barbican tower moat drawbridge medieval historical tourism comtal castle citacopy france middle ages walls fortress history architecture crusade catholic crusader cathar languedoc of ramparts chacent teau fortified citadel aude department travel destination last line defence galloroman languedocroussillon circular towers fortification historic heritage cloudscape bridge cite