Cardinal Angelo Comastri puts ash on Pope Benedict XVI's head during the celebration of Ash Wednesday Mass in St. Peter's Basilica at the Vatican, Wednesday, Feb. 13, 2013. Ash Wednesday marks the beginning of Lent, a solemn period of 40 days of prayer and self-denial leading up to Easter. (AP Photo/Gregorio Borgia)

Photo by: Gregorio Borgia

Cardinal Angelo Comastri puts ash on Pope Benedict XVI's head during the celebration of Ash Wednesday Mass in St. Peter's Basilica at the Vatican, Wednesday, Feb. 13, 2013. Ash Wednesday marks the beginning of Lent, a solemn period of 40 days of prayer and self-denial leading up to Easter. (AP Photo/Gregorio Borgia)