VATICAN CITY, VATICAN - DECEMBER 08: Italian Prime minister Matteo Renzi (R) attends the holy Mass and opening of the Holy Door of St. Peter's Basilica held by Pope Francis on December 8, 2015 in Vatican City, Vatican. During the solemnity of the Immaculate Conception of the Blessed Virgin Mary, Pope Francis solemnly inaugurated the Jubilee Year of Mercy with the celebration of the Holy Sacrifice of the Mass. This Extraordinary Holy Year is itself a gift of grace,' the Pope said in his homily (Photo by Franco Origlia/Getty Images)
