High in the mountains of southern Africa, 15 swimmers compete in one of the most extreme—and chilling—races on earth. With no wet suits or protection, they swim one kilometer in water that is cold enough to kill them. For these athletes, it’s not just a battle to the finish, every stroke is a battle to stay alive.
Tune in to "That's Amazing" every Sunday at 9pm on The Weather Channel.
Follow us behind the scenes on Instagram: http://goo.gl/2KABeX
Make our acquaintance on Facebook: http://goo.gl/Vn0XIZ
Give us a shout on Twitter: http://goo.gl/sY1GLY
Come hang with us on Vimeo: http://goo.gl/T0OzjV
Visit our world directly: http://www.greatbigstory.com
Great Big Story is a video network dedicated to the untold, overlooked & flat-out amazing. Humans are capable of incredible things & we're here to tell their stories. When a rocket lands in your backyard, you get in.