In skiing, Alaska is both the dream and the proving ground, and few crews have explored the area’s massive peaks more than Teton Gravity Research. For their fourth Fantasy Camp, TGR–including Sam Smoothy, Nick McNutt, John Collinson and Angel Collinson–headed to Petersburg to film for their upcoming film “Rogue Elements.” Check out how the pros pick their lines in a full 360 degrees, and keep your eyes out for the trailer, dropping August 8th.