pathway on top of stone wall with tower at the castle of elvas

europe portugal alentejo elvas vacation travel trip tourist gothic medieval romanesque ancient old historical rustic charming facade architecture heritage stone brick wall masonry quiet sunny fortification stronghold finery weathered deserted construction battlement rough parapet pathway walkway passage balustrade rampart bulwark building tower turret rook cityscape grout cement pavement landscape hills top castle thick merlons day gracious starshaped fortress city easternmost frontier