Secret Rivers of the Nakanai

In the village of Ruraï, in Papua New Guinea, people tell of a water hidden deep within the Nakanai Mountains so pure that anyone who drinks it is said to gain extraordinary powers. Immersed in the heart of a tropical rainforest, a team of cavers including the inimitable Cédric Lachat, set out to uncover this mysterious underground river system.

Cast: Cédric Lachat, David Parrot, Léa Varnerot