Installment Mass

Pope Benedict XVI, flanked by rows of cardinals, takes his place during his installment Mass in St. Peter's Square at the Vatican, Sunday, April 24, 2005. An estimated 500,000 pilgrims, many of them from the pontiff's native Germany, arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy.

Cardinals with Pope Benedict XVI are seen during a procession in St. Peter's Basilica where St. Peter is believed to be buried, at the start of his installment Mass in St. Peter's Square at the Vatican, Sunday, April 24, 2005.

Thousands of people attend the installment Mass of Pope Benedict XVI in St. Peter's Square at the Vatican, Sunday, April 24, 2005. An estimated 500,000 pilgrims, many of them from the pontiff's native Germany, arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy.

Pope Benedict XVI celebrates his installation Mass in St. Peter's Square at the Vatican, Sunday, April 24, 2005. An estimated 500,000 pilgrims arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy. U.S. Cardinal Edward Michael Egan and Ukrainian Cardinal Lubomyr Husar are visible at far left.

Pope Benedict XVI celebrates his installation Mass in St. Peter's Square at the Vatican, Sunday, April 24, 2005. An estimated 500,000 pilgrims arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy.

Pope Benedict XVI celebrates his installation Mass in St. Peter's Square at the Vatican, Sunday, April 24, 2005. An estimated 500,000 pilgrims arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy.

Pope Benedict XVI, center, celebrates his installation Mass in St. Peter's Square at the Vatican, Sunday, April 24, 2005. An estimated 500,000 pilgrims arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy.

Thousands of people attend the installment Mass of Pope Benedict XVI in St. Peter's Square, Sunday, April 24, 2005. An estimated 500,000 pilgrims, many of them from the pontiff's native Germany, arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy.

Pope Benedict XVI celebrates his installation Mass in St. Peter's Square at the Vatican, Sunday, April 24, 2005. An estimated 500,000 pilgrims arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy.

Pope Benedict XVI celebrates his installation Mass in St. Peter's Square at the Vatican, Sunday, April 24, 2005. An estimated 500,000 pilgrims arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy. On the table a copy of the gospel and the papal fisherman ring, traditional used along with dies, to make lead seals for apostolic letters.

Pope Benedict XVI waves prior to his installation Mass in St. Peter's Square at the Vatican, Sunday, April 24, 2005. An estimated 500,000 pilgrims, many of them from Germany, arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy.

Wearing golden vestments and clutching his pastoral staff, Pope Benedict XVI is seen with cardinals during a procession in St. Peter's Basilica where St. Peter is believed to be buried, at the start of his installment Mass in St. Peter's Square at the Vatican, Sunday, April 24, 2005

Girls wearing Bavarian national costumes cheer prior to the installment Mass of Pope Benedict XVI in St. Peter's Square at the Vatican, Sunday, April 24, 2005. An estimated 500,000 pilgrims, many of them from Germany, arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy.

A Bavarian man wearing a national costume stands in front of St. Peter's Basilica prior to the installment Mass of Pope Benedict XVI in St. Peter's Square at the Vatican, Sunday, April 24, 2005. An estimated 500,000 pilgrims, many of them from Germany, arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy.

A Swiss Guard stands in front of Bavarian faithful wearing national costumes prior to the installment Mass of Pope Benedict XVI in St. Peter's Square at the Vatican, Sunday, April 24, 2005. An estimated 500,000 pilgrims arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy.

German students wearing uniforms hold a banner with the motto "Religion, Science, Friendship" prior to the installment Mass of Pope Benedict XVI in St. Peter's Square at the Vatican, Sunday, April 24, 2005. An estimated 500,000 pilgrims, many of them from the pontiff's native Germany, arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy.

Nuns watch St. Peter's Square during the installation Mass of Pope Benedict XVI at the Vatican, Sunday, April 24, 2005.

Pope Benedict XVI waves to the crowd as he rides on the popemobile through St. Peter's Square at the Vatican, Sunday, April 24, 2005, following his installment Mass.

Pope Benedict XVI greets the crowd after celebrating his installation Mass in St. Peter's Square at the Vatican, Sunday, April 24, 2005.

Pope Benedict XVI waves to the crowd as he rides on the popemobile through St. Peter's Square at the Vatican, Sunday, April 24, 2005, following his installment Mass.