They come outfitted in thermal undersuits and full-body drysuits, dipping beneath the surface in some of the most frigid water on Earth and risking hypothermia, frozen gear and even death. But for scuba divers willing to brave the 206-foot dive into Iceland’s Silfra fissure, the water temperature isn’t the point; it’s the price of entry.
http://www.smithsonianmag.com/travel/dive-between-two-continental-plates-iceland-180957983/
