This amazing couple take the best underwater photography we've ever seen, and they do it all without scuba gear

Around 95% of the world’s oceans remain unexplored. This is hardly surprising when you think about it: humans have evolved to live on land, and aren’t naturally equipped to reach the deepest sea depths without relying on incredibly high-tech apparatus. And yet, despite the challenges involved in underwater exploration, some brave adventurers have dedicated their lives … Continued