Echo

Witness the brilliance of one man who uses echolocation to “see,” as he teaches the next generation how to do the same. Witness the brilliance of one man who uses echolocation to “see,” as he teaches the next generation how to do the same. Witness the brilliance of one man who uses echolocation to “see,” as he teaches the next generation how to do the same. Witness the brilliance of one man who uses echolocation to “see,” as he teaches the next generation how to do the same.