It's true that we are better behaved when someone is watching us, but a new research has stated even if we are surrounded by images of eyes, and not real people, we tend to behave nicely.
Psychologists found that cafe diners were less likely to leave tables untidy when surrounded by posters of staring human faces.
On the contrary, when pictures of flowers decorated the walls, more empty plates and litter were left.
The same researchers from the University of Newcastle previously found that images of eyes prompted contributions to an honesty box in a tearoom.
"We think that the images of eyes work by making people feel watched. We behave better when we feel we are being observed," the Scotsman quoted study leader Melissa Bateson as saying.