Introduction

Historians, engineers, ​and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.

Outline

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.

Underground Marvels Series

• Episode 01: Secrets of the Rock.
• Episode 03: Secrets of the Terror Tunnels.

Production & Filming Details

• Release Date: 31 October 2019 (US).
• Running Time: 60 minutes.
• Country: UK.
• Language: English.

YouTube Link