trulli roofs in alberobello, italy

alberobello apulia apulian architectural architecture ball bari building buildings characteristic chimney conical dry drying dwelling dwellings europe european grey heritage historical history home house houses hut huts italian italy limestone live living old outdoor outdoors outside picturesque pinnacle polyhedron primitive roof roofs sandstone sightseeing signature slab slabs slate slates stone summer sunny tourism touristic traditional trulli trullo typical unesco village white world