Hidden Worlds 3D - Caves of the Dead
Verborgene Welten - Die Höhlen der Toten (original)
In the days of the Mayas, cenotes – deep, natural pits on the Yucatan peninsula - provided the only means of obtaining drinking water. But in the mythology of this advanced civilisation, these waterholes and caves were also the entrance to Xibalba – the underworld
Starring Christian Howe, Florian Huber, Uli Kunz, Robert Marc Lehmann, Robert Schmittner, Colin Solman, Ronald Nitschke
It's a documentary movie, and has a rating of 5.7 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Italy.