 The sisters’ well stands just outside the Caetani chapel in the left aisle, which is said to contain the relics of 3,000 early martyrs, many of which were brought here and hidden by Saints Pudentiana and Praxedes.This is marked by a square porphyry slab in the floor.Following the decline of popular piety ushered by the ecclesiastical reforms of the Second Vatican Council in 1969, the names of Pudentiana and her sister Praxedes were removed from the General Roman Calendar.