Porte d'Aude, walled and turreted fortress of La Cite, Carcassonne, UNESCO World Heritage Site, Languedoc, France, Europe

color image photography outdoors no people travel travel destinations horizontal scenics tourism famous place wall turreted fortress architecture building exterior old ancient history la cite carcassonne unesco world heritage site languedoc france europe unesco world heritage site blue sky castle porte d'aude walkway cobblestone gate arch