At Rome's E.U.R., the Museum of Roman Civilization has no actual artifacts, but it does have dozens of rooms full of plaster casts and models which illustrate the greatness of classical Rome. The highlight is a plaster model of Trajan's Column sliced up and laid out so you can actually see the scenes. The original is one of the first great examples of "continuous narration" — when a relief is carved into a column as if winding a scroll around and around a huge pillar.
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