Arco di Costantino

Geoff Stringer

Arco di Costantino.

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On the western side of the Colosseum, this monumental triple arch was built in AD 315 to celebrate the emperor Constantine's victory over his rival Maxentius at the Battle of the Milvian Bridge (AD 312). Rising to a height of 25m, it's the largest of Rome's surviving triumphal arches.

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