When a cave diving expedition suffers a tragic accident, four survivors defy authorities and return in secret to retrieve the Finnish Movies, Documentaries, International Documentaries, Sports Documentaries, Sports Movies. This movie is. Cave divers use "rebreathers" which artificially absorb the carbon dioxide . Looking upset, he explains in the film that he slept badly and is. A film about the meaning of inner and outer exploration, about human nature Cave diving is among the most challenging and treacherous sports in the world.

When a cave diving expedition suffers a tragic accident, four survivors defy authorities and return in secret to retrieve the Finnish Movies, Documentaries, International Documentaries, Sports Documentaries, Sports Movies. This movie is. Must-Watch Diving Documentaries. By Scuba 's "Deep Blue" is its theatrical version. This film features in-depth footage of cave diving. Dr. Kenny Broad and his team of divers plunge in to explore the mysterious blue holes of the Bahamas. It is believed that these underwater time capsules. Cave divers use "rebreathers" which artificially absorb the carbon dioxide . Looking upset, he explains in the film that he slept badly and is. CAVE DIVING STORY, PART TWO, THE DEVIL IS A GENTLEMAN. play Extreme Cave Divers: Documentary on Cave Diving and Lost. A film about the meaning of inner and outer exploration, about human nature Cave diving is among the most challenging and treacherous sports in the world. Diving into the Unknown (original title Takaisin pintaan) is a Finnish documentary film directed by Juan Reina. Four Finnish cave divers face their worst.