12 Seizoen
131 Aflevering
What on Earth? - Season 6 Episode 5 Aflevering 5
When a sinister cave is discovered in a remote corner of Iceland, experts uncover a secret underworld tunneling to unknown depths, and using cutting-edge tech, they investigate if this strange place could hold secrets of alien worlds.
- Jaar: 2023
- Land: United States of America
- Genre: Documentary
- Studio: Science
- Trefwoord: satellite imagery
- Regisseur:
- Gips: Steven Kearney, Andrew Gough