- Jürgen Schafroth
- 40 min
Unter null is a documentary about ski alpinism that takes place in Trettachspitze and Krottenspitze. It was directed by Jürgen Schafroth in 2009 and produced by Allgäu Film. It features Reinhard Hones, Florian Jehle, Michael Schafroth, Manfred Schützmeier, Kristian Rath, Roland Probst and others.