The Cities of Tuff
  
 
Sacred paths, burial  grounds, and ancient cities carved out of rock.
Tuff (from the 
Italian  "tufo") is a 
soft reddish colored rock especially common in Italy  and, in particular, in the area of central Italy where the regions of 
Lazio,  Umbria and Tuscany meet. Consisting of consolidated volcanic ash  ejected from vents during a volcanic eruption, tuff is relatively easy to cut  and its presence in the land which later became known as 
Etruria  favored human settlement here from the 
Iron age right  up to the arrival of the Etruscans, who built both major 
cities and  complex necropolises here. 
    
Sorano, Sovana and  Pitigliano feature high on the list of the 
architectural jewels of "Tuff  Maremma". The origins of the towns date back to the Etruscan  period, as testified by a number of impressive burial grounds discovered here. 
    
  The 
Archaeological Park "Città del  Tufo" in Sovana, explores the changing relationship between the  natural landscape and man over time. The 
necropolises were  built on the tuff ridges which follow the course of the area's rivers. Today  they are often surrounded by dense vegetation, which suddenly opens up to  reveal 
monumental tombs such as the 
Ildebranda and  Sirena.
  Heading into the 
Mediterranean scrub,  visitors discover a series of 
sunken pathways cut in to the tuff rock.  It is thought that these 
via cave or 
tagliate passageways,  which can reach a depth of up to 20 meters and a width of circa 3 meters, were 
excavated  by the Etruscans as part of a complex defence strategy. The sunken  paths are considered 
sacred because they created a line of  communication between the burial grounds and other places of worship. 
  
  A visit to the 
Alberto  Manzi Open Air Museum in 
Pitigliano is, perhaps, one  of the best ways to learn about the fascinating history of the Etruscans. The  museum is divided into two sections: the 
"city of the living" and the 
"city of the dead", linked by the 
"via  cava" of Gradone.
  In each 
city,  visitors can observe both 
typical dwellings and an  "explanatory" tomb, illustrating the life led by the past  inhabitants and their poignant journey into the after life.
  
  In 
Tuscia Viterbese,  perched perilously on a 
spur of rock, between the 
river  Tiber and the 
Bolsena Lake, we find 
Civita di  Bagnoregio. A victim of the unstoppable forces of erosion and  destined, sooner or later, to crumble into the valley lying beneath it (the  spur of tuff to which the town clings erodes at a rate of circa 7cm a year),  Cività di Bagnoregio is often referred to as 
the dying city. Now home  to just 
fifty houses, a cathedral, and an eerie silence which  lingers in the abandoned streets, Cività di Bagnoregio was once a lively and  prosperous town. 
  Today's population is made  up of just ten fearless stalwarts, occasionally augmented by the arrival of  those 
intellectuals and artists who have elected Civita di  Bagnoregio as their preferred 
spiritual retreat. The town  dominates the 
Calanchi Valley where the  area's rivers, the rain, and the wind have all feasted on the tuff cliffs,  creating a lunar landscape of deep ravines, sudden chasms and vertiginous  precipices.