The hidden history of Italian city life is uncovered.

Watch Italy's Invisible Cities on BBC Select

Using cutting-edge technology and 3D scanners, the hidden treasures that lie beneath Naples, Venice and Florence are exposed and explored.

Dr Michael Scott and Alexander Armstrong discover hidden tunnels, historic passageways and even long-forgotten torture chambers.

By delving into the unseen architecture of these famous places, a lost history is unearthed.

Watch Italy's Invisible Cities and more acclaimed documentaries on BBC Select today. Restrictions apply*.

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BBC Select is available on Amazon Prime Video Channels, the Apple TV app and the Roku Channel for only $4.99 a month. Start your free 7-day trial today to stream documentaries on Smart TVs, laptops, tablets and mobile devices. Restrictions apply*.

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