They created an Optical Illusion.
The way we see object in a specific area differs significantly depending on our distance and point of view when we see it.
To counteract it ( for example if they want the building to look nice in the picture), many architects create an optical Illusion and it will negate the effect of the distorsion
<span>Their translation of ancient Greek writings preserved ancient knowledge.
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That's why we have books. The books some people believe and others just think they are old boring stories.
C. Some women are denied equal educational opportunities and so cannot contribute as much to the economy.