Architecture of Rome huge and majestic Baroque squares (often adorned with obelisks), many of which were built in the 17th century. The principal squares are Piazza Navona, Piazza di Spagna, Campo de' Fiori, Piazza Venezia, Piazza Farnese and Piazza della Minerva. One of the most emblematic examples of Baroque art is the Fontana di Trevi by Nicola Salvi. Notable 17th-century baroque palaces are the Palazzo Madama, now the seat of the Italian Senate and the Palazzo Montecitorio, now the seat of the Chamber of Deputies of Italy. In 1870, Rome became the capital city of the new Kingdom of Italy. During this time,
Piazza De Ferrari De Ferrari was the place where many institutions were established, like the stock exchange, the Credito Italiano, the branch offices of the Bank of Italy, founded in 1893. Next to the square are several historical palaces and buildings. An underground station of the Genoa Metro opened at Piazza De Ferrari on 4 February 2005. The square is also served by the Genoa trolleybus system – by route 30 since 1997 and by route 20 since 2008. Piazza De Ferrari Piazza De Ferrari is the main square of Genoa. Situated in the heart of the city between the historical and the