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In this fresco, Jesus is shown seated on a throne with his disciples at hand. The painting is in the Catacombs of St. Domitilla in Rome, which have been newly restored.

Burning off the Crust: New Laser Treatment Used to Clean Frescoes in Rome’s Largest 1600-year-old Catacomb Complex

Formerly blacked-out frescoes and ancient graffiti in some of Italy’s largest catacombs have been revealed using laser and scanner technology. Restorers, employed by the Vatican, have unveiled...