Just a random eye-trick/illusion/hallucination I made! Stare into the red dot in the middle of the circle. Every 30 seconds, the circles disappear and a picture of Starry Night will appear! After looking in the middle of the circle for 30 seconds, the picture should appear to move! If it doesn't work, try again! Full screen recommended!

此人操作说明都不写，让各位小码君情何以堪！