Seeing by ears

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Bats are blind by birth. But this creature can fly without any mistake. Even in the dark night it can search away the perfect fruits those can be eaten. How it's possible? Many know the answer. And this is the use of "echolocation" system. Is it possible for a man to gain this system! But the 7 years blind boy of Britain Lucas Mar made it possible. So all affectionately called the boy as "Bat Boy". Lucas can play basketball like a healthy boy of same age. He can climb hills without the help of others. In an interview with the newspaper Sun he said, he can do all these by using echolocation system. He creates sound 'HIS HIS' by his tongue. This sound echoed in his ears. Then he can understand which things are in front of him.