. >> anybody to tell mark pollark he can't do anything.s been blind since the age of 22. 13 years after that, he had a near-fatal fall that left him paralyzed. but he still wants to surf. so they have this customized board where he can hold on. >> i'm trying to make it tight so he knows the size of the board. >> his friends are going to tow him out and let him catch a few waves. >> having a great time. big smile on his face. >> and so much of what we hear the sensation and the feel of riding that wave. so i guess in this case, you don't need to see anything. >> he raises up eventually while he's out in the water. >> you can see how excited all the other guys are. while he's pushing up on that surf board, they're all jumping around and cheering. >> what did he have to say? >> before the fall, he was an adventure athlete. he would run marathons and walk to the south pole. so the surf adventure, not as big as those, but for somebody who's been paralyzed for the last year, that was a big accomplishment. >> well, he seems like a really impressi