 Lippi also replicated eight other paintings, which had been stolen many years prior.In the Hall of Lions, workers at first utilized a process called cornhusk blasting to strip away the many layers of paint from the marble walls, because traditional sandblasting would have destroyed the intricate details of any etchings beneath.When, however, it was determined that a single marble column would require a ton of ground corn cobs, restorers decided to scrub away the paint by hand.