Pope Francis leads a prayer at the Basilica of Sant' Anselmo before a procession to the Basilica of Santa Sabina before the Ash Wednesday mass opening Lent, the forty-day period of abstinence and deprivation for Christians before Holy Week and Easter, on March 1, 2017 at Santa Sabina church in Rome. / AFP PHOTO / POOL AND AFP PHOTO / Maurizio BRAMBATTI