Here's a collection of optical illusions and visual puzzles to entertain you. Some of the images are not what they first appear to be while others are impossibilities which, initially, may seem possible. A few of these images will seem to vibrate or rotate and others will bend, skew or change color. And it's all just your eyes playing tricks on your mind... Today's Puzzle - Skewed Checker Board
All the lines on this checker board are perfectly straight. How do they look to you?

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