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Can blind people learn to ‘see’ like bats?
Meet Daniel Kish - a master of echolocation. He makes clicking noises - like a bat - to build a picture of the world around him. Daniel Kish has taught people all over the world to "see through sound" and he's so good at it that he goes hiking, cycling and rock-climbing. Helena Merriman follows Daniel as he teaches 10 year-old Ethan the technique.
First broadcast on Batman and Ethan, 14 February 2016.
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