Read this sentence carefully and find the error

If u are not able to find the error then again read the sentence
Error The is written two times

In this illusion though the bottle and the background is stationary yet if you just move your head you will find that the bottle is vibrating

Can you see something moving there?? Overall the picture is stationary but it gives an illusion of movement.

Check this illusions carefully and find out what you see.More than 85% people will say they can see only horse but if you study this illusion carefully,you can see that there is a girl on the face of the horse

Can you Find it ?

The spiral appear to rotate clockwise

Which one  is the floor, and which one  is the  ceiling?

The Halfround Object Appear To Split from one side and then join from the other.

See this illusion,you will find that the man is moving so fast on his bicycle.Actually he is not moving this is the illusion only which gives us the feeling of his movement

This illusions seems like having a series of balls which are moving towards each other

The surface appears bulge