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It is an optical illusion. You get a feel that the wheels are spinning whereas actually they are not. The illusion of time is also created here as they seem to rotate at a particular speed. Speed always involves the dimension of time.
This is maya. What appears to us may not be the truth. These optical illusions are created taking advantage of the limitations of our optical systems. Maya is also result of limitations in our sensory system including time. Maya is not a concept. It is right there in front of you to experience in this optical illusion.