Home / Series / Underground Marvels / Aired Order / Season 1 / Episode 1

Secrets of the Rock

A hidden, subterranean city built within the Rock of Gibraltar was an immense fortress to control the seas during World War II, and new discoveries reveal the secrets of a long-lost chamber with evidence of high-stakes espionage.

English Deutsch
  • Originally Aired September 25, 2019
  • Runtime 45 minutes
  • Network https://www.phoenixtelevision.co.uk/projects/underground-worlds U&Yesterday
  • On Other Sites IMDB Official Website
  • Created October 18, 2019 by
    Administrator admin
  • Modified February 10, 2024 by
    reubot