An elevator ride is meant to be quick and painless, but nearly all of these people find some way to make the most of their short time between floors. Whether they're busy pulling pranks, dancing like nobody's watching, or finding some way to make other riders uncomfortable, the CCTV's captured it all...
If you just left a stressful business meeting, it's totally okay to let off some steam in the elevator on the way back to the lobby. This guy certainly doesn't seem to care if he's being watched by the security cameras or not.
Vandalism, or kind of romantic? This girl isn't afraid to let everyone know who she has feelings for. The building owner probably wasn't too happy about it, though.