What ancient Romans did for modern Italians

Scientists uncover waterways beneath the streets of a city whose art and architecture are a huge draw for tourists.

    Modern Romans have a lot to thank their ancient ancestors for. Tourists from around the globe flock to marvel at the city's celebrated art and architecture. But it is their lasting engineering legacy that equally impresses and mystifies archaeologists.

    Al Jazeera's Claudio Lavanga delves into the depths of Rome to find out more.


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