Bernini had a great idea for Bramante's great big piers. He had four hollow "niches" carved into them where four huge statues could stand. The basilica owns some precious relics: a piece of the True Cross of Jesus, a veil that a woman wiped the face of Jesus with, while he was carrying the cross, the spear that was used to pierce Jesus side, and the bones of St. Andrew, the brother of St. Peter. No-one knows for sure whether these things are real or not, but for hundreds of years they have been precious. Bernini's plan was the make four marble statues of the four Holy people: St. Helena who found the cross, St. Longinus who was the soldier with the spear, St Veronica who wiped Jesus' face and St. Andrew. (See below)