Orvieto Underground

San Michele in Teverina, Italy

Orvieto Underground

9.2

link http://www.orvietounderground.it/

phone  347 383 1472

Orvieto [orˈvjɛːto] is a city and comune in the Province of Terni, southwestern Umbria, Italy situated on the flat summit of a large butte of volcanic tuff. The city rises dramatically above the almost-vertical faces of tuff cliffs that are completed by defensive walls built of the same stone called Tufa.