Look carefully at the pink diagonal lines. are they the same shade of pink or are they different shades?

National Leaders Tree

Look at this magazine

At first glance, this may appear o be a lens, but it’s just your eyes playing games with you

Do you look through the cylinder from the right, or from the left?

can you read this?

Are the lines below straight or are they curved?
Try putting a straight edge against the lines on your screen to test your conclusion.

Which way are the staris headed? up or down?

You perceive a 3d sphere even though there are no edges.

Relax and concentrate on the 4 small dots in the middle of the picture for approximately 30 seconds. Now look at the wall or any smooth single colored wall. You will see a circle of light developing. Start blinking your eyes a couple of times and you will see a figure emerging. What do you see? Moreover, who do you see?