Go Inside the Legendary Barrels of Namibia. GoPro Extreme Sports Videos – The term “we scored waves” in the surfing world gets thrown around quite a bit. Judging from this content of Koa and Alex Smith, Koa Rothman, Benji Brand and Anthony Walsh, they can say it with no doubt whatsoever. This is some crazy must see GoPro barrel riding footage! Sit back and enjoy the legendary barrels of Namibia and get tubed VR style.