<span>The setting, in time or space, surrounding the occurrence of a given event.
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Answer is: Acropolis of Athens, i<span>ncluding the </span><span>Parthenon.
</span>Parthenon (447–432 BC) <span>is a </span>temple,<span> on the </span>Athenian Acropolis<span>, </span><span>dedicated to the </span>goddess Athena.
The golden ratio <span>is a special number approximately equal to 1,618.
</span><span>Pythagorean theorem states that </span>square of the hypotenuse<span> is equal to the sum of the squares of the </span>other two sides.
