Fountain in Piazza Santa Maria in Trastevere by a Roman aqueduct, the Aqua Traiana. When the aqueduct was ruined during the invasions of Rome, water came from underground sources below the Janiculum hill. The old fountain illustrated in the drawing of del Massaio had two vasques, one above the other, pouring water into the basin below. The fountain was reconstructed between 1499 and 1500 on the command of Giovanni Lopez, the bishop of Perouse and Bishop of the parish of Santa Maria in Trastevere, who gave the commission to Donato Bramante, the architect of St. Peter's Basilica. Bramante removed the upper vasque and added four carved stone
Fountain a highly theatrical fountain by Bernini, with statues representing rivers from the four continents; the Nile, Danube, Plate River and Ganges. Over the whole structure is a Egyptian obelisk, crowned by a cross with the emblem of the Pamphili family, representing Pope Innocent X, whose family palace was on the piazza. The theme of a fountain with statues symbolizing great rivers was later used in the Place de la Concorde (1836–40) and in the Fountain of Neptune in the Alexanderplatz in Berlin (1891). The fountains of Piazza Navona had one drawback - their water came from the Acqua Vergine, which