At the foot of the stairs, you will find the famous Barcaccia Fountain, the work of Pietro Bernini and his son, Gian Lorenzo. The latter went on to become the creator of some of the most important masterpieces of Baroque art in the city, including the renowned baldachino of St. Peter's Basilica. With its characteristic form of a sinking ship, the fountain recalls the historic flood of the River Tiber in 1598 and refers to a folk legend whereby a fishing boat carried away by the flood of the river was found at this exact spot. In reality, the sinking boat was ably invented by Bernini to overcome a technical problem due to low water pressure. The sun and bee ornamentation is a symbol of the Barberini family and a reference to Pope Urban VIII who commissioned the work. However, the main attraction of the square has to be the spectacular staircase of Trinità dei Monti.