Venice Italy's Invisible Cities : Season 1 Episode 2

Documentary series. Using the latest 3-D scanning technology, Alexander Armstrong and Dr Michael Scott explore the watery wonderland of Venice. They uncover how a city built in a swamp became one of the most powerful in medieval Europe and dive into its canals to experience how the city remains standing. Plus, they reveal how the city's beauty once masked a ruthless secret state and a world of excess and vice.