cathedral of gravina in puglia, province of bari, apulia, southern italy.

abandoned ancient apuila apulia aqueduct architecture bari belltower bridge buildings carved cathedral cave church city cityscape cypress dwelling excavate ginosa gorge gravina grotto habitation historic historical house italian italy landmark landscape medieval old panorama picturesque pines primitive province puglia ravine rock roman ruins rustic sassi scenic southern stones taranto tier tower town trees tufa two urban valley village