<span>Abstract art uses a visual language of shape, form, color and line to create a composition which may exist with a degree of independence from visual references in the world Abstract paintings are all very different but all maintain a certain balance in the actual art.</span>
The architects who designed it actually created an "optical" illusion.
An optical illusion is a illusion affecting the visual framework and described by a visual precept that seems to contrast from the real. When we see a thing, the manner in which we see things in a particular territory varies essentially relying upon our angle and perspective. To neutralize it, numerous designers make an optical Illusion and it will invalidate the impact of the distortion.
Answer:
because people get bored seeing the same thing over and over