1 Sezon
11 Episod
Planeta Pământ - Season 0 Episode 20 Episodul 20 (2006)
The freshwater pools that dot Mexico's Yucatan peninsula were believed by the Mayans to be portals to the underworld. For the first time ever, the BBC Natural History Unit explores this incredible, labyrinthine system of underground rivers.
- Țară : Japan, United Kingdom, United States of America
- Gen : Documentary
- Studio : BBC One
- Director :
- Distribuție : David Attenborough
