Allegory of Divine Providence and Barberini Power (Cortona) Allegory of Divine Providence and Barberini Power (Cortona) The Allegory of Divine Providence and Barberini Power is a fresco by Italian painter Pietro da Cortona, filling the large ceiling of the grand salon of the Palazzo Barberini in Rome, Italy. Begun in 1633, it was nearly finished in three years; upon Cortona's return from Venice, it was extensively reworked to completion in 1639. The Palazzo, since the 1620s, had been the palatial home of the Barberini family headed by Maffeo Barberini, by then Urban VIII, who had launched an extensive program of refurbishment of the city with art and architecture.
Fountain from the conch shell of the triton. The Piazza Navona became a grand theater of water, with three fountains, built in a line on the site of the Stadium of Domitian. The fountains at either end are by Giacomo della Porta; the Neptune fountain to the north, (1572) shows the God of the Sea spearing an octopus, surrounded by tritons, sea horses and mermaids. At the southern end is Il Moro, possibly also a figure of Neptune riding a fish in a conch shell. In the center is the Fontana dei Quattro Fiumi, (The Fountain of the Four Rivers) (1648–51),