I, like a lot of others, believe that Dark Knight is a cornerstone in modern cinema. Why? Reasons are easy to find. A casual watch of the movie will delight you with its story, character development, gadgets etc but you need to watch it very closely to fully appreciate the amount of time and effort devoted into each and every scene. Be it the scene where batman is gliding through a tall building by converting his cape into a glider, or the scene where “Bat Cycle” does an incredible job of toppling off an entire truck. But the sequence which held my imagination was where Batman maps the entire city to locate joker by turning every phone in Gotham City into a high frequency generator which works more or less on the principle of SONAR.

1 City-wide surveillance system in Bat Cave 

2 Real time mapping & Visual Feed

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