Focus on the middlle and you shall see the circles start to move.
These lines are actually parallel even though they appear to curve.
Stare at this image close up for 60 seconds then lean back and close your eyes. You will see an image of Jesus. This one is freaky.
The square in the middle appears to be curved but its perfectly straight.
Stare at the center long enough and the dots will disappear!
This one is for you builders out there. Can this structure be built?
This is a tricky one. We can only find 7. Check out the artist's website at: www.octavioocampo.com.mx
Don't believe it? Try opening up the image in Paint or another image editor and put the 2 tiles side by side.
If you move away from the center you can see the circle start to move.
I bet you get this one wrong!