Ben Underwood (the boy who sees without eyes) developed a very rare cancer at the age of two and lost his eyes. Since then he has taught himself to use echo location to navigate around his environment. He makes clicking sounds and from the responses he senses (sees) all that is surrounding him. He roller blades, rides a bike, plays basketball, does karate... He is absolutely amazing in many ways-- and the only known person to echo locate...


See part two on youtube... www.youtube.com/watch?v=G1QaCeosUmw