1 Pora roku
11 Epizod
Planeta Ziemia - Season 0 Episode 20 Odcinek 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.
- Kraj : Japan, United Kingdom, United States of America
- Gatunek muzyczny : Documentary
- Studio : BBC One
- Dyrektor :
- Odlew : David Attenborough
