traditional architecture of pyrgos kallistis town santorini greece

street view pyrgos kallistis town santorini greece island cave house white cyclades typical nature landscape sky summer travel home beautiful architecture culture lifestyle attractive holiday holidays vacation vacations tour sightseeing tourism greek landmarks villas trip traditional vintage resort cozy nice pretty outdoor subtropical beauty picturesque striking attractions cute foothills steep medieval alleys houses hilltop gate doorway patio residential church belfry exterior dwelings