Pope Francis's First Days as the Pope

Pope Francis with Argentine President Cristina Fernandez, holding a picture of a plaque commemorating the 1984 peace and friendship treaty between Argentina and Chile, March 18, 2013.

Pope Francis and Uruguay's priest Gonzalo Aemilius greet people at the Vatican, March 17, 2013.

Pope Francis greets the crowds after conducting a mass in Saint Anna church inside the Vatican, March 17, 2013.

Pope Francis appears at the window of his future private apartment to bless the faithful, gathered below in St. Peter's Square, during the Sunday Angelus prayer at the Vatican March 17, 2013.

Pope Francis conducts a mass in Santa Anna church inside the Vatican, March 17, 2013.

Pope Francis leaves the Paul VI hall with security at the Vatican, March 16, 2013.

Pope Francis checks out of the church-run residence where he had been staying in Rome before becoming pontiff, March, 14, 2013. (Osservatore Romano)

Key chains featuring images of the newly-elected Pope Francis are displayed in a tourist shop near the Vatican in Rome, March 15, 2013.

In this image made from video provided by CTV, Pope Francis celebrates his inaugural Mass with cardinals, inside the Sistine Chapel, at the Vatican, March 14, 2013.

Newly elected Pope Francis waves from the steps of the Santa Maria Maggiore Basilica in Rome, March 14, 2013.

Newly elected Pope Francis walks in the Basilica of Santa Maria Maggiore during a private visit in Rome, March 14, 2013.

Newly elected Pope Francis makes a private visit to the 5th-century Basilica of Santa Maria Maggiore, in a photo released by Osservatore Romano in Rome, March 14, 2013.

A nun takes a photograph of the first batch of souvenirs adorned with freshly-printed pictures of the newly-elected Pope Francis in a shop at the Vatican, March 14, 2013.