the camerlengo, flanked by two swiss guardsmen, escorts vittoria rapidly across the deserted floor of st. peter's basilica. langdon, vittoria, the camerlengo, and two swiss guard are hurrying across the deserted floor of st. peter's basilica when the lights go out. the camerlengo emerges from the spiral staircase, accidentally kicks over one of the oil lamps, spilling its burning oil on the floor of the basilica. they hurry across the floor of st. peter's basilica and burst out the huge doors that open onto st. peter's square, just as -- ceiling tiles fall and smash on the floor inside st. peter's, statues topple. the camerlengo comes out of a doorway and into st. peter's basilica. he heads for the main doors --