view of conical roof of traditional stone trullo house in alberobello in the itria valley, puglia. trullis are unique to this part

alberobello apulia apulian architecture attraction beautiful blue building cloud conical europe famous flowerpot flowers green heel heritage history house italy itria landmark main manduria mediterranean old picturesque plant plants puglia roof round serene sky south southern stone tourism tourist traditional travel trulli trullo unesco unique view village world