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Civita di Bagnoregio is a 3,000-year-old town in Italy. People call it a dying town because the town may soon disappear. Civita is on a clay and volcanic rock cliff, and rain and winds changed the cliff quickly. The town was three times bigger than it is today in the past. Now it is only 152 meters long and 91 meters wide, and people can only get there via a bridge. Local people attached hundreds of steel rods to the walls and rock, and they hoped that the rods would keep the walls straight.