12 Temporada
131 Episodio
What on Earth? - Season 9 Episode 9 Episodio 9
When experts spot what appears to be an abandoned city in the Caspian Sea, they investigate declassified Cold War evidence to reveal an Atlantis-like city built by the Soviets; what they find exposes its long-lost secrets.
- Año: 2023
- País: United States of America
- Género: Documentary
- Estudio: Science
- Palabra clave: satellite imagery
- Director:
- Emitir: Steven Kearney, Andrew Gough