 Complete the following phrase:  After the flooding of the Tiber river in 1530, a woman from the Borgo rione named Brianda, who had been sick for a long time on one hand, prayed for her own recovery an ancient image of the Virgin Mary that had come to light during the inundation. This was placed on a surviving wall of a ruined house that had belonged to the noblewoman Lucrezia Salviati. It had been destroyed during the 