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
Piazza Barberini of the piazza but this was demolished to make way for the construction of a new road in the 19th century. However, its appearance is known from engravings and early photographs of the piazza. At the centre of the piazza is the "Fontana del Tritone" or Triton Fountain (1642–3) sculpted by Bernini. Another fountain, the Fontana delle Api (1627–1629), also by Bernini is in the nearby Via Vittorio Veneto but it has been reconstructed somewhat arbitrarily following its removal from its previous position on the corner of a palace where the Piazza Barberini meets the Via Sistina. Until the 18th