Pope Francis Inaugural Mass

Crowds fill Saint Peter's Square for the inaugural mass of Pope Francis at the Vatican. Photograph: Paul Hanna/Reuters

Pope Francis arrives in Saint Peter's Square for his inaugural mass at the Vatican March 19, 2013. Pope Francis celebrates his inaugural mass on Tuesday among political and religious leaders from around the world and amid a wave of hope for a renewal of the scandal-plagued Roman Catholic Church. REUTERS/Giampiero Sposito (VATICAN - Tags: RELIGION POLITICS)

Pope Francis kisses a child as he arrives in Saint Peter's Square for his inaugural mass at the Vatican. Photograph: Tony Gentile/Reuters

Pope Francis passes an Argentine flag as he arrives in Saint Peter's Square for his inaugural mass at the Vatican. Photograph: Tony Gentile/Reuters

Faithful carry a Vatican flag as they wait to watch the televised broadcast of the inaugural mass of Pope Francis near the Metropolitan Cathedral in Buenos Aires. Photograph: Enrique Marcarian/Reuters

Prince Willem-Alexander (3rd R) and Princess Maxima of the Netherlands, Spain's Prince Felipe (2nd R) and Princess Letizia and Germany's Chancellor Angela Merkel attend the inaugural mass of Pope Francis at the Vatican. Photograph: Paul Hanna/Reuters

Monaco's Prince Albert and Princess Charlene sit with Belgium's King Albert and Queen Paola (R) before the inaugural mass of Pope Francis at the Vatican. Photograph: Alessandro Bianchi/Reuters

Argentina's President Cristina Fernandez de Kirchner (3rd L) waves after arriving for the inaugural mass of Pope Francis in Saint Peter's Square at the Vatican. Photograph: Alessandro Bianchi/Reuters

Pope Francis takes part in his inaugural mass in Saint Peter's Square at the Vatican. Photograph: Stefano Rellandini/Reuters

The papal mitre is placed on the head of Pope Francis during his inaugural mass in Saint Peter's Square at the Vatican. Photograph: Paul Hanna/Reuters