 The "proscenium" is a wall that supports the front edge of the stage with ornately decorated niches off to the sides.The proscaenium, which is 3.16 meters high, and its facade is decorated with an Ionic marble colonnade with triangular pediments.The facade of the scenae, which overlooks the spectators' area, consists of two two-storey "porticos", the first in the Roman Ionic order and the second in the Roman-Corinthian order.