islamic door and sunrays with keep tower of the castle in the background, mértola portugal

building church chapel fortification architecture town wall landmark facade temple history tourism castle village islamic door old mosque current sun rays keep tower background mértola portugal style entrance south christian outdoor exterior ramp defensive fortress fort heritage culture monument touristic travel ancient stone medieval historic sunlight sunrays historical nossa senhora our lady anunciaçao annunciation arch arabic alentejo beja mertola portuguese europe mudejar