Cloud City in the State of Central Italy

In Civita Bagnoregio is a town in central Italy Viterbo Province, a frazione of the Comune of Bagnoregio, 2 km (about one mile). distance of about 145 km (90 miles) north of Rome.
Founded by Etruria more than two thousand five hundred years ago, but its population has been reduced to only fifteen people during the 20th century. Civita was the birthplace of St. Bonaventure, was born in 1274. The location of his childhood home since falling from a cliff edge.

In the late 17th century, the bishop and the city government was forced to move to a big earthquake Bagnoregio, accelerate the decline in the old city. At that time, the area is part of the Papal States. In location Civita 19th century turned into an island and the rate of accelerated erosion as a layer of clay beneath stones in the area where the current bridge is located. Bagnoregio transformed into a small but prosperous town, while Civita known as il Paese che muore (in Italian: "dead city"). Civita recently has experienced a resurgence of tourism.

 
The city is famous for a striking position at the top of the volcanic plateau overlooking the valley of the river Tiber.In 2004, there are plans to strengthen the plateau with steel rods to prevent further geological damage. The city is also much admired for its architecture, during the span of a few hundred years.
In Civita Bagnoregio, most of those conditions have not changed due to the relative isolation,: that the city be able to withstand the intrusion of modernity and the destruction brought about by two world wars.

The population of the city, today varies from about 12 people in winter to more than 100 in summer. The city was established in 2006 by the World Monuments Fund Watch List, as the 100 Most Endangered Sites resulting from erosion and unregulated tourism.