Ah, Kelly’s wave pool. It’s the worst and the best thing to happen to surfing. Depending on your stance, it’s the future or it’s the apocalypse. Either way, it’s a wonder of engineering—to date, it’s the closest impression to nature’s perfect wave.

Sure, it could signal the coming robot invasion, and sure, it could be a harbinger of the end of surfing as we know it, but damn, isn’t it pretty to watch? There’s no denying it. That’s why HBO stuck their cameras into the muddy waters of surfing’s future. Wavepools, whatever your stance on them, don’t mean the end of surfing in the ocean. Like Kelly says, “it’s just a branch on the tree.” And you know what? You can still climb around on the other branches if you don’t like the new one!