Man dies at rock arch, A 22-year-old man from Utah State of US was killed trying to swing through the opening of a 110-foot-tall sandstone arch in a stunt made so popular on YouTube that state authorities recently banned the daredevil activity by commercial outfitters. Utah is a state in the Western United States. Kyle Lee Stocking, of West Jordan, left too much slack in the rope he was using, and it sent him crashing into the sandstone base of Corona Arch near Moab, Grand County sheriff's officials said. He died Sunday afternoon. Viral videos have bolstered the activity, which involves swinging wildly from ropes through arch and canyon openings. One video titled "World's Largest Rope Swing" has racked up more than 17 million views on YouTube since it was posted in February. "Pendulum" swinging is a relatively new form of recreation in Utah's canyon lands, which see plenty of injuries and deaths from rock climbing and BASE jumping, which involves lea