Clockwise or Counterclockwise

Focus on the standing foot, and you can almost will the direction change to happen.

This mesmerizing optical illusion was created by graphic designer Nobuyuki Kayahara. It has fascinated readers across the globe since 2007. Is this dancer standing on her left foot and spinning clockwise? Or is she standing on her right foot and spinning the other way? Take a look for yourself, and watch how the ballerina can change direction before your very eyes.