(Filippo Monteforte/POOL PHOTO via AP) Pope Francis arrives at the Basilica of Saint Anselmo prior to walking in procession to the Basilica of Santa Sabina before the Ash Wednesday Mass opening Lent, the 40-day period of abstinence and deprivation for Christians before Holy Week and Easter, Wednesday, Feb. 14, 2018. Pope Francis is marking Ash Wednesday with prayer and a solemn procession between two churches on one of ancient Rome's seven hills.