This jaw-dropping documentary about high-altitude climbing follows three friends up the slopes of the infamous "Shark's Fin" on Northern India's Mount Meru. After enduring storms, setbacks, injuries and near-starvation, the men gave up, calling the mountain unclimbable. Astonishingly, they tried again three years later. Somehow—based in what happend to the men in the intervening years—this gorgeous, frightening film makes that seem less like an act of insanity and more like an inspiring, spit-in-the-face-of-mortality challenge.FULL REVIEW:High-altitude documentary hits viewers like an avalanche by Devin D. O’Leary (8/27/2015). 87 minutes R.