1955 · 14 min · Documentary
Follows the scientific research carried out in the natural cavity of Fontaine-de-Vaucluse by Cousteau and OFRS (French Underwater Research Office) divers, who reach for the first time a depth of 243 ft.
No US streaming, rental or purchase options listed right now. Check TMDB's watch page
Streaming data from JustWatch, via TMDB.