Are these items moving? Or are they perfectly still??
![One Of The Best Optical Illusions](https://900008.xyz/files/funzug/imgs/unusual/best_optical_illusions_01.jpg)
![One Of The Best Optical Illusions](https://900008.xyz/files/funzug/imgs/unusual/best_optical_illusions_02.jpg)
The pictures attached are used to test the level of stress a person can handle.
The slower the pictures move, the better your ability of handling stress.
Alleged criminals that were tested see them spinning around madly; however, senior citizens and kids see them standing still.
None of these images are animated – they are perfectly still.