Classic example here of tearing up a note, but leaving it up to show the person what you think of their message (there was a trash can just beside the elevator).
We’ve used the latest digital methods to enhance and reconstruct the original note as below:
The note reads:
「請不要將廚餘、垃圾放在地上」 (Please don’t put kitchen waste or rubbish on the ground)
Note: I did not take any part in the writing or tearing of this note