Edited sentence: In Rome's Piazza Navona, a famous sculpture, Fontana dei Quattro Fiumi (fountain of the four rivers) designed by Gian Lorenzo Bernini was built in 1651.It symbolizes four of the world's great rivers (the Ganges, the Nile, the Danube, and the Río de la Plata), representing the four continents; Asia, Africa, Europe and America, thus the universality of the Catholic church, and its centre at Rome.The river is symbolised by a paddle to indicate its navigability