mont-louis vauban fortress in the pyrénées-orientales,france

ancient architecture bridge building castle catalan catalonia center cerdaaplusmn citadel europe european facade fort fortification fortifications fortified fortress france french grass heritage high historic historical holiday houses landmark landscape languedoc louis medieval military moat mont montlouis monument mountain nature occitania outdoors pyrenees region resort roussillon season skay stone street strongholds summer sun tour tourism tourist touristic town travel unesco vacation valley vauban visit wall walled walls