Underground Marvels — Season 1, Episode 3: Secrets of the Terror Tunnels
Documentary • 45 min • 2 seasons, 20 episodes • ★ 6.5/10
Episode synopsis
A vast system of tunnels built almost three thousand years ago was the site of the greatest battles of antiquity, and these disorienting passages could be the deadliest weapon in war; experts reveal what made this underground world so terrifying.
About Underground Marvels
Historians, engineers, and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.