Trullo Sovrano (Sovereign Trullo), UNESCO, Alberobello, Bari, Apulia, Italy

trullo sovrano alberobello apulia italy architecture unesco cultural heritage landmark travel conical roofs historical site tourism building unique design traditional whitewashed charm crafts exterior urban landscape destination exploration picturesque attractive ancient quaint outdoors sunny blue sky flowering plants residential streetscape classic vacation sightseeing scenic idyllic village charming local culture tourist