Footage of expedition on the way to cavern at Pierre St Martin, France.
Unissued / unused footage - dates and locations may be unknown or unclear.
Pierre St. Martin, Pyrenees, France.
Several shots of expedition with pack horses making way through mist. M/S unloading pack horses. General view of cavern with cross sign. General view of the cavern. L/S wading through rapids. Various shots of frogmen dressing, receiving instructions and entering cavern in little one-man dinghies that they paddle along in, using their hands. (These last shots look quite surreal.)
According to paperwork, the explorers are Louis Balancho, Georges Balancho, Michel Letrene and Daniel Espelly.