alberobello in itria valley and unesco site, puglia, italy

house conic alberobello unesco architecture stone town ancient bari travel village old street history sky district blue outdoors symbol vacations rooftop alley puglia idyllic tradition people antique tourist flower city tourism south art cultures door limestone sunny whitewashed cityscape europe plant itria valley site italy: typical group trulli houses built dry walls conical roofs apulia italy building monastery ruins chapel church estate temple landmark fortification tower