Pope Leo XIV Holds Inauguration Mass In St. Peter's Square

Pope Leo XIV celebrities christianity city inauguration italy king mass pers pope rome st peter square vatican Pope Leo XIV Holy Mass Pontificate St Peter's Square The Vatican May 18 2025 Massimo Valicchia NurPhoto Catholic Church religious ceremony papal inauguration Vatican City Roman Catholic papacy spiritual leader religious leader Pope's address public gathering religious event Catholic faithful papal blessing church tradition ecclesiastical pontifical papal mass religious observance Catholicism Vatican event papal ceremony religious gathering papal audience sacred ritual.