Establishing aerial view over Baixo Alantejo whitewashed red tiled building rooftops to reveal castle Beja Portuguese fortress

establishing aerial view baixo alentejo whitewashed red tiled building rooftops reveal castle beja portuguese fortress portugal cityscape walls scenic medieval fortification ancient town mediaeval historic city landscape stone keep defensive heritage wall city castelo historical building historical se cathedral landmark monument architecture alentejo sunny tower vacation travel region battlement scenery viewpoint countryside houses