The crumbling, picture-perfect Italian town that’s making a comeback

There are just seven year-round residents -- and who knows how many cats -- in the Medieval Italian town of Civita di Bagnoregio, also known as the dying city. The picturesque hilltop town, visited by droves of tourists, is built upon layers of rock and shifting clay, susceptible to weather and natural disaster. Jeffrey Brown reports on efforts to revive and reinforce the city.
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