Secrets of the Colosseum

How did the Colosseum - an arena for bloody gladiatorial battles - become the greatest symbol of the Roman Empire? Archaeologists venture into the Colosseum’s ruins, and launch digs across the Empire, to hunt for clues. As teams descend into hidden tunnels and unearth long-lost amphitheaters in Tuscany and Britain, they piece together the surprising truth about Rome’s iconic Colosseum.

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