Austrian freeride skier Mathias Haunholder jumps off a cliff during a freeride skiing tour on Sonnenkopf mountain in Langen am Arlberg December 10, 2012. Backcountry or freeride skiers ski away from marked slopes with no set course or goals, in untamed snow, generally in remote mountainous areas. Picture taken December 10, 2012. REUTERS/ Dominic Ebenbichler (AUSTRIA - Tags: SPORT SKIING SOCIETY) Published: Led. 21, 2013, 10:20 dop. | Foto: Reuters