There’s good timing and then there’s perfect-to-the-millisecond timing. The latter is what you need, for instance, should you decide to flying squirrel yourself through the door of a moving cable car at 50 miles per hour. Half a second early or half a second late, and you’ll instantly become one big, parachute-wearing splat. Arnaud Longobardi is either exceptionally brave, supremely skilled or just plain crazy. Or, quite possibly, all three. There are so many ways this could have gone so wrong…

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