The Undersea World of Jacques Cousteau
Season 1 • Episode 16: Secrets of the Sunken Caves • Watch with subtitles
Episode 16: Secrets of the Sunken Caves
March 19, 1971 • 50 min
The strange geological phenomenon of 'blue holes' is investigated by Captain Cousteau and his team, as they discover an undersea 'cathedral' one hundred feet below the surface.
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