There is a visually impaired man in America, Daniel Kish, who utilizes echolocation to explore in an indistinguishable route from a bat! He does this by delivering a clicking sound with his tongue and after that listening eagerly for the sound waves to skip back.
![](https://steemitimages.com/640x0/https://www.scienceabc.com/wp-content/uploads/2015/08/bats.png)