STORY
In this 1947 film by diving pioneer Hans Hass, marine biology work is shown with the help of early diving equipment. During the expedition Hass was able to observe and film shark behaviour and collect plant samles from underwater caves.
CAST & CREW
- Hans Hass
Cast
INFORMATION
- Hans Hass-Filmproduktion
Production Companies
- Germany
Production Countries
LANGUAGES
- German
