Piazza Barberini century, unknown human corpses were displayed here for public identification. Between 1632 and 1822 an antique obelisk stood here; it was transferred to Villa Medici. Today, the piazza is large crossroad for Rome's traffic and, since 1980, has accommodated a station on Line A of the Rome Metro, called "Barberini – Fontana di Trevi". . Piazza Barberini Piazza Barberini is a large piazza in the "centro storico" or city center of Rome, Italy and situated on the Quirinal Hill. It was created in the 16th century but many of the surrounding buildings have subsequently been rebuilt. The current appellation was
Piazza della Rotonda the fountain in the Piazza della Rotonda was authorized on September 25, together with a fountain for Piazza Colonna, and two more for Piazza Navona; the fountain for the Rotonda, completed in 1575, was of a chalice-type design, around 3.5 to 4 meters in height, and fed with the Vergine water through a terracotta conduit. Della Porta designed the fountain, and Leonardo Sormani executed it. Due to the slope of the piazza, the fountain is approached by five steps on the south side, and only two on the north. Under the pontificate of Alexander VII Chigi, projects were set afoot