Pope Francis (C) waves to the faithful from the popemobile within a meeting with clerics at the cathedral of Palermo on September 15, 2018 as part of a visit to the Diocese of Palermo on the occasion of the 25th anniversary of the killing by the mafia of Sicilian priest Pino Puglisi. - Pope Francis pays a one-day pastoral visit on September 15 to the Dioceses of Piazza Armerina and Palermo in Sicily, on the occasion of the 25th anniversary of the killing by the mafia of Sicilian priest Pino Puglisi. (Photo by Alessandro FUCARINI / AFP)