Hidden Beneath the Cities
Tunnels and Tombs
Season 1 Episode 4
In Florida, workers uncover a tunnel system beneath a neighborhood. In Italy, the Hypogeum of Cristallini Street opens a window into Hellenistic-era burial practices. In Iran, a man digging a well uncovers a sprawling three-storey underground city. Finally, beneath Rome's Caelian Hill, construction exposes military barracks and a luxury villa
Hidden Beneath the Cities airs on National Geographic Channel HD at 10:00 AM, Wednesday 1 July. (Subtitles.)
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News ➝ Current Affairs
Documentary