aerial view of bourbon-l'archambault ancient castle of the royal family

fortification machicolation crenellation battlements concentric drawbridge portcullis stronghold courtyard defensive fortified gatehouse undefined barbican hoarding landmark recessed ancient bourbon curtain history latrine parapet postern tourism shutter bailey castle chapel cloudy crenel donjon feudal french merlon murder ruined turret wooden ditch great tower mound spout stone yard moat hole spur twin wall door sky