Sorry about the picture quality. It looks better if you lean back a bit.
This page is for the man who's work you've probably seen on the walls during art class, or in science or math as part of a demonstration on geometry and logic.His work looks simple to the untrained eye, but a closer look will show that what was once a solid structure would surely tumble down and that a person can ascend up a set stairs as well as descend them at the same time.
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