A pair of extreme athletes has executed a "world’s first" – death diving (aka dødsing) off a staggering 65-foot glacier in the freezing wilds of Greenland. The radical stunt was pulled off by the notorious Norwegian extreme sports crew known as 00Nation. For their biggest challenge yet, the squad traveled deep into the Arctic to scout the ultimate launchpad: a pristine, unstable, and potentially shifting ice cliff towering over the near-freezing polar waters. Take a peek below. “We are in Greenland,” one of the crew says. “This is where all the icebergs are located. I’m big time nervous for this project. That’s how it’s supposed to be. Gets you focused. Gets you ready. Time to break history. Nobody has ever done this before.” Typically, the global surfing community looks at Greenland’s massive glaciers from a completely different angle.…