The piazza's 17th-century sunken-boat-shaped marble fountain, Fontana della Barcaccia, is by the great Bernini's father.
The Fontana della Barcaccia was created by the great Bernini's son.
mnli hypothesis: The Fontana della Barcaccia was created by the great Bernini's son. premise: The piazza's 17th-century sunken-boat-shaped marble fountain, Fontana della Barcaccia, is by the great Bernini's father.