A visit to the imposing remains of the Anio Vetus, Aqua Marcia, Anio Novus and Aqua Claudia aqueducts in the Prenestine area is a delightful and fascinating itinerary. These four aqueducts provided almost 70% of the city’s water supply and got their water from the upper Anien valley. Having run parallel for a long stretch of the valley as far as the Tiburtine […]