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
Fontana dei Quattro Fiumi had the authors arrested, and disguised spies patrol the Pasquino statue and Piazza Navona The streetvendors of the market also opposed the construction of the fountain, as Innocent X expelled them from the piazza. The Pamphilij pope believed they detracted from the magnificence of the square. The vendors refused to move, and the papal police had to chase them from the piazza. Roman Jews, in particular, lamented the closing of the Navona, since they were allowed to sell used articles of clothing there at the Wednesday market. Fontana dei Quattro Fiumi Fontana dei Quattro Fiumi ("Fountain of the Four Rivers")