Every time I think: how can a city still be there on such friable rock after almost 2000 years with Etruscan civilization? And yet – it still is there Orvieto with their 8000 inhabitants Riding on the highway from Florence to Rome, you can see a large butte of a volcanic tuff with the city of Orvieto on top.It is surrounded by a defensive wall build … Continue reading Orvieto in Italy is located on a volcanic tuff rock for the last 2000 years