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.
Genre: Documentary
Stars: Hans Hass
Crew: Hans Hass (Director)
Country: Germany
Language: Deutsch
Studio: Hans Hass-Filmproduktion
Runtime: 84 minutes
Quality: HD
Released: Jun 24, 1947
IMDb: 10
Keywords:diving
