Trulli, round houses of Alberobello, UNESCO World Heritage Site, Valle d\'Itrea, Bari Province, Apulia, Southern Italy

aged alberobello apulia architecture bari building buildings characteristic day daylight daytime ditrea during europe european exterior exteriors heritage historic house houses italian italy lot lots many nobody numerous of old outdoor photo photos place places province roof roofs round roundhouse roundhouses seeing shot shots sight sights site small south southern the town towns trulli trulli trullo typical unesco valle village villages world worth