Porta Prenestina, better known as Porta Maggiore, is a gate in the Aurelian Walls. Through the gate ran two roads: the Via Prenestina (leading to Preneste/modern day Palestrina) and the Via Labicana.
Porta Prenestina, which was built in 52 CE by the emperor Claudius (r. 41-54), was originally intended to provide a decorative section of support for two aqueducts, the Aqua Claudia and the Anio Novus. The channels of the two aqueducts lie one on top of the other.
The two arches were later incorporated in the third-century Aurelian Walls, thus turning them into a proper entrance to the city.
My name is David Lown and I am an art historian from Cambridge, England. Since 2001 I have lived in Italy, where I run private and
small-group walking tours
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