Fontana delle Tartarughe first water flowing to a reservoir near the present Trevi Fountain. Della Porta and the city of Rome made a plan to build eighteen new fountains connected to the new aqueduct. He began in 1572 with the fountain in Piazza del Popolo, then built the two famous fountains of Piazza Navona (1574–1578), and the fountain in Piazza della Rotonda in front of the Pantheon (1575). + In the original plan of 1570 a new fountain was to have been placed near the Theater of Marcellus in the Piazza Giudea, the site of a market in the Roman Ghetto. One of
Piazza Cordusio delle Poste (Palace of the Post Office), former Borsa di Milano" (former Milan Stock Exchange). Piazzale Cordusio hosts the Cordusio metro station and is the starting point of the elegant pedestrian Via Dante which leads to the imposing medieval Castello Sforzesco, or Milan Castle. Opposite to Via Dante, Cordusio borders onto Piazza Mercanti, former city centre in the Middle Ages, which leads directly to Piazza del Duomo, today's city centre. This palace is the main one in the square, and was built by architect Luca Beltrami from 1897 to 1901. It is the main headquarter of the mega-finance corporation Assicurazioni