Operation Tiefsee - Dunkle Welt im Licht der Forschung
Directed by Tim Förderer, Annette ScheurichNot Rated
2009 43m[Documentary](/on-demand/category/documentary)Deep sea: 1km below the surface. No light, immense pressure, and icy temperatures. The deep sea encompasses more than 90% of our planet's habitat, yet we know far less about these depths than about our moon.
