Civita di Bagnoregio is a town located in central Italy. Founded over 2,500 years ago, Civita di Bagnoregio has an estimated population of fewer than twenty residents. Built atop a plateau of volcanic tufa, Civita di Bagnoregio became an odd tourist destination during the later half of the 20th century. The city is constant danger of being ruined as pieces of the tufa break off, crumbling buildings.
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