Everybody was Kung Fu Fighting. . .

and “acting a fool” in a Nanjing University elevator.

But who could blame them when most individuals don’t usually notice that a camera could be inside. In this collection of surveillance footage, even people who weren’t aware of the camera ended up giving great performances and it seems that those who do notice like to put on a show for security personnel. Complete with awesome sound effects and background music, this makes for a perfect viral advertisement for the folks over at Hewlett Packard.

It’s been circling the net over in China gaining much popularity and has now hit Youtube for international viewers. To all the students who unknowingly participated, thank you for the laughs!

Watch the hilarious clip here: