Conical dry stone roofs on trulli, traditonal houses in Alberobello, UNESCO World Heritage Site, Bari Province, Puglia, Italy, Europe

alberobello bari buildings conical europe house exterior house exteriors household households italy itria valley puglia residences stone wall tourist destinations trullo unesco unesco world heritage site adobe architectural architecture building color image day daytime grey home homes horizontal house houses no people outdoor outdoors outside residence roof tourist destination travel travel destination travel destinations tree white