Renan Ozturk is an award-winning expedition climber and filmmaker. His love for the mountains has been well-documented, including in the 2015 documentary Meru. Last year, Renan and a team of adventurers, filmmakers, and local guides climbed Mount Everest in an attempt to solve one of mountaineering's biggest mysteries. Hear about what it took to prepare for the expedition, the shooting of his documentary "Lost on Everest," and the behind-the-scenes AdoramaTV series, "Shooting for Everest."