Documentary, PBS Nova Ancient Invisible Cities - Cairo-7<br />The PBS Nova episode "Ancient Invisible Cities - Cairo" uses 3D scanning to reveal hidden historical secrets in and around Cairo, Egypt, such as a Roman fortress under a Greek Orthodox church and a large well built by Crusader prisoners beneath the 12th-century Arabic citadel. Hosted by historian Darius Arya, the episode explores ancient sites like the first pyramid at Saqqara to understand how it influenced the Great Pyramid of Giza. <br />Episode highlights<br />Uncovering hidden structures: The episode uses 3D scanning to reveal ancient layers of the city that are not visible to the naked eye.<br />Hidden Roman fortress: A Roman fortress is discovered to be hidden beneath a Greek Orthodox church in Old Cairo.<br />The Well of the Citadel: It explores a massive well, carved into bedrock by Crusader prisoners to supply the Arabic citadel with water during sieges.<br />Saqqara and the Great Pyramid: The episode examines the first pyramid ever built at Saqqara and its role in inspiring the Great Pyramid of Giza.<br />Host: The episode is hosted by historian Darius Arya, who uses the technology to virtually explore the sites. <br />How to watch<br />PBS: The episode is available to stream on PBS.org and through the PBS App.<br />Other streaming platforms: You can also find it on platforms like Apple TV and DirecTV.<br />Local PBS stations: It may also be broadcast on your local PBS station.
