Rome Top Destinations

The Secrets of Ancient Rome’s Buildings

What is it about Roman concrete that keeps the Pantheon and the Colosseum still standing?

The Colosseum, inaugurated in A.D. 80, seated 50,000 and hosted gladiatorial games, ritual animal hunts, parades and executions. (Tiziana Fabi / AFP / Getty Images)

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Erin Wayman is an assistant editor at Smithsonian and writes the Hominid Hunting blog.


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