manueline style. main entrance to belem tower. lisbon . portugal

aged ancient antique arc arch architectural architecture art bastion belem belen bridge carved castle chain coastal coat construction defense defensive design device door europe european exterior facade fort fortification fortified fortress gate gateway gothic heritage historic historical iron keep landmark lisbon manueline martello medieval militar military monument old outdoor outdoors outside pilaster place pole portugal portuguese river rope sea spur stone stonework style suspended suspension tagus torre tourism tower travel turret unesco water world