Designed by Mnesicles Acropolis, Athens 437-432 B.C. The propylaea, a roofed entrance structure into the sacred precincts, was designed and built between 437 and 432 B.C. A Doric facade on the west is linked to a Doric facade on the east by a passageway lined with tall Ionic columns. It had five doors, one large center door and two smaller doors on each side.

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