What on Earth? Season 12 Episode 9 Secrets of Biosphere 2 2023
6.5/10 by 16 users
Satellite images capture a mysterious group of pyramid-shaped structures in the arid, desert landscape of Arizona; experts investigate a highly controversial research facility designed to prepare humanity for life on another world.
- Released: 2023-03-09
- Runtime: 44 minutes
- Genre: Documentary
- Stars: Steven Kearney, Andrew Gough
- Director:
