blurred wall slit with aerial view over sado river, alcácer do sal, setúbal portugal

arch rock sea ruins vacation tourism terrain cliff coast landmark architecture formation fortification wall geology temple water wadi monastery blurred slit aerial view over sado river roofs downtown houses alcácer sal setúbal portugal landscape agricultural fields panoramic scenic blue wild flowers environment park fortress fort antique construction structure hill historical ruin rock holiday water outdoor castle summer vacation nature stone historic building old tourism travel landscape architecture houses downtown view viewpoint cityscape roofs bank sado river hole slit wall blurred setubal alentejo alcacer sal portuguese portugal europe