Walk carefully there might be an invisible string on the sidewalk

People take a walk along the sidewalk on a nice evening in this shopping complex when a man walking ahead suddenly trips on something. But hey! What was the thing he tripped on? Is it an invisible trap? Watch how people become dumbstruck looking for the invisible thing that could possibly trip them too.

Watch full video: http://www.ndtv.com/video/player/chhupa-rustam/a-laugh-riot-with-team-chhupa-rustam/328632

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