497263 View of the Piazza Navona during the Ferragosto holiday, 1752 (etching) by Vasi, Giuseppe (1710-82); Private Collection; (add.info.: Piazza Navona allagata solito farsi nelle Feste di Agosto. Ferragosto is celebrated every year in Italy on the 15th August. Up until the early 20th century the Piazza was flooded to form a pool; people from all walks of life would gather to celebrate. In the left foreground is a street stall selling watermelon.); Italian, out of copyright.