
Jon Glassberg is an American documentary and adventure filmmaker. He works as a director, cinematographer, and producer. Starting from his roots as a professional climber, Jon has ventured globally to capture historical moments in outdoor sports with the industry's biggest names. His production company, Louder Than 11, documents authentic stories in extreme environments around the world.
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Bouldering in Switzerland.

Lincoln Lake Giants is a story about climbing in the high country of Colorado. Mt. Evans is a world renowned bouldering destination and the newest development has been at Lincoln Lake near the summit of the 14,000ft Mountain. Chapter 1: our heroes brave the rugged tundra of Mt. Evans to clash heatedly with the most inspiring blocks of granite they can find. Unbeknownst to them, large, ill-spirited residents of the lake lurk nearby. Chapter 2: our heroes seek boulders to conquer, mauling their skin and spilling blood on the way to their noble achievements! Chapter 3 portrays our heroes slaying yet more classic boulders! Sadly, the slayers become the slain, as a Giant begins terrorizing them. Much blood is shed from our heroes’ toned bodies. Their deaths arrive awash in honor, ridden with glory. In Chapter 4, our two remaining climbers experience a massive resurgence of psych, even in the wake of their friends’ atrocious murders. The surrounding boulders are simply too enticing.
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