In this illusion it looks like that the ball is flying and is in no contact with the ground surface

In this illusion it looks like that the ball is flying and is in no contact with the ground surface

A flattering flag is what you see when you see this image but one thing is to be noticed and that is the image as a whole is static.So this is what we call an optical illusion

In this image when you focus on the center point you will see that the circle is expanding

Look at the center point of this image and you will observe that this image become in motion.Though this is a static image but on focusing at the center you will see it in motion

Try concentrating on the picture below and also see the glass.You can see some faces there.Can you name the most prominent name here?