The South Pacific is open for business. Recently, the first major swell of the Southern Hemisphere season arrived in Tahiti, sending Teahupo'o into overdrive and producing the kind of terrifying footage that reminds everyone why the wave remains one of the most feared and revered waves on Earth. One clip, in particular, quickly went viral. View this post on Instagram Shot from the channel, the footage shows surf photographer Guy Mac positioned frighteningly close to the action as a giant Teahupo'o barrel detonates nearby. The wave, ridden by local legend Matahi Drollet after being towed into position by fellow Tahitian Tavaitoa David, throws an enormous plume of spit directly into the channel. The blast hits Guy Mac like a freight train. Or a massive oceanic loogie. For a moment, the photographer disappears completely beneath the explosion of water and spray as the barrel unloads.…