aerial view of chateau de beauvoir restored medieval french castle with bridge, towers, manicured lawn and garden

fortification machicolation crenellation battlements stronghold concentric portcullis drawbridge courtyard fortified gatehouse defensive undefined beauvoir barbican recessed hoarding weddings postern curtain parapet shutter latrine feudal castle chapel wooden merlon donjon bailey crenel murder turret french france cloudy tower great ditch mound spout event space door twin moat wall yard spur hole blue sky