ANN ARBOR—In a long-buried Italian city, archaeologists have found a massive monument that dates back 300 years before the Colosseum and 100 years before the invention of mortar, revealing that the Romans had grand architectural ambitions much earlier than previously thought.

The structure, unearthed at the site known as Gabii, just east of Rome, is built with giant stone blocks in a Lego-like fashion. It's about half the size of a football field and dates back 350-250 years BCE. It's possibly the earliest public building ever found, said Nicola Terrenato, a University of Michigan classics professor who leads the project—the largest American dig in Italy in the past 50 years.

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Fonte: Il giornale Italiano Detroit