Its
walls were built on a layer of limestone rock overlooking the city.
They consisted of either three tragedies
or three comedies followed by a short satyr farce.
The
army consisted of horsemen and hoplites, footsoldiers.
Democracy, philosophy, astrology, biology,
mathematics, physics, and the theatre are only a few of its
contributions to us. Words and thoughts from great men such as Plato,
Socrates, Pythagoras, and Aristotle are still taught in universities
to this day.