Sunday marked the end of a formal mourning period in the Catholic Church for Pope Francis, who died April 21 after 12 years in the papacy. He was 88. The pontiff's death catalyzed an extensive list of traditions dating back centuries,

Catholic Church cardinals have attended the final mourning mass for Pope Francis before gathering for a conclave to elect the next pontiff. French Cardinal Dominique Mamberti led the prayer in St Peter’s Basilica on the last day of the Novendiali.

Catholic Church cardinals attended on Sunday the final mourning mass for late Pope Francis, just three days before gathering in conclave to elect his successor.