S1·E16 – Secrets of the Sunken Caves
1971-03-19 • 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.
1971-03-19 • 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.
