A highly skilled skier making a very fast descent of the extremely steep off-piste run known as Cosmiques Couloir, Aiguille du Midi, Chamonix, Haute Savoie, Alps, France, Europe

Chere couloir on Mont Blanc du Tacul, Chamonix, Rhone Alps, Haute Savoie, France, Europe

A highly skilled skier making a very fast descent of the extremely steep off-piste run known as Cosmiques Couloir, Aiguille du Midi, Chamonix, Haute Savoie, Alps, France, Europe

A snowboarder descending the famous Cosmiques Couloir, Chamonix Valley, Haute Savoie, France, Europe

Rock gullies formed by water in the riverbed, mountain stream Schwarzwasser near Wislisau, Canton Bern, Switzerland, Europe

sunray in Upper Antelope Canyon, Arizona, USA

Lance McDonald backcountry skiing on unknow peak near town of Sherman in the San Juan mountains, Colorado

Young man dropping into couloir at Kirkwood ski resort near Lake Tahoe, CA.

A female skier drops into the 60 degree entrance of Once is Enough Couloir in the Jackson Hole Mountain Resort backcountry, Wyoming.