On the evening of May 16, 2015, Dean Potter and fellow climber Graham Hunt stood atop Taft Point, a granite overlook thousands of feet above Yosemite Valley . Below them, the valley floor stretched into shadow. Far beneath the jump point was a narrow notch in a ridgeline, the kind of gap wingsuit flyers attempt to thread at speeds often exceeding 100 miles per hour. The margin for error was vanishingly small; so was the time they would have to correct it. The men jumped. For roughly 15 seconds,

Tag-uri: HBO