No Audio One Hundred and Fifty Thousand Catholics crowd Saint Peter's Square in Rome, as Pope Paul VI celebrates an open-air Mass to mark the one year anniversary of his Peace Appeal to the United Nations. LS Throngs fill up Saint Peter's Square in Vatican City. Pope Paul VI walking up to an altar set up in St. Peter's Square to say Holy Mass. High Angle Shot - Crowds of participating at Mass. As Pope Paul VI sits on St. Peter's Chair, he is completely engulfed in a visible ray of light. High Angle Shot of Protestant Christians & Catholics at mass. MCU Pope Paul VI sitting on St. Peter's Chair addressing the Christians attending the Holy Mass. Camera Pans Papal Palace as crowds take part in the Mass.