Pope Benedict XVI's UK visit: Day two

A nun is checked by police as she passes through a security checkpoint for the pope's visit Photograph: Steve Parsons/PA

A nun stands with a clergyman at a bus stop near St Mary's University College, in Twickenham, ahead of the pope's visit Photograph: Kevin Coombs/Reuters

Children wait to greet Pope Benedict XVI as he arrives at St Mary's University College Photograph: Peter Macdiarmid/Getty Images

A nun walks past police officers during preparations for the pope's arrival Photograph: Steve Parsons/PA

Protesters greet the pontiff as he arrives by car Photograph: Steve Parsons/PA

Gaydar protesters prepare for Pope Benedict XVI's arrival Photograph: Andrew Winning/Reuters

Pope Benedict greets the crowds Photograph: Peter Macdiarmid/Getty Images

Pope Benedict mingles with the crowd, who were there for a celebration of Catholic education at St Mary's University College Photograph: Steve Parsons/PA

The pope arrives to attend a service of prayer at St Mary's University College chapel Photograph: Toby Melville/REUTERS

The pope clasps his hands during a service of prayer in the chapel Photograph: Toby Melville/Reuters

The pope meets Manchester City junior soccer players during a prayer service Photograph: Max Rossi/Reuters

Pope Benedict XVI presides over a Celebration of Catholic Education at St Mary's University College, in London Photograph: Ben Stansall/Rota

A girl holds a decorated crucifix and a papal flag as she watches Pope Benedict XVI at The Big Assembly Photograph: Peter Macdiarmid/Getty Images

The pope visited about 4,000 school pupils and young people at St Mary's University College, Twickenham, and told them that "money is not enough to make us happy" Photograph: Filippo Monteforte/AFP/Getty Images

A demonstrator outside the event in Twickenham Photograph: Ben Birchall/PA

Pope Benedict XVI at St Mary's University College in Twickenham Photograph: Susannah Ireland/Rota

A child holds a crucifix during the pope's talk Photograph: Gregorio Borgia/AP

A nun waits on Lambeth Bridge over which Pope Benedict was to drive after meeting the Archbishop of Canterbury Photograph: Matthew Lloyd/Getty Images

A British police officer stands guard as the pontiff is driven past in his popemobile Photograph: Peter Nicholls/AFP/Getty Images

A devoted pilgrim waits for a glimpse of the pope near the Houses of Parliament Photograph: Christopher Furlong/Getty Images

Police surveillance teams monitor the area around Lambeth Palace Photograph: Matthew Lloyd/Getty Images

In a speech, the pope warned against rejecting religion in favour of a purely scientific outlook Photograph: Max Rossi/Reuters

The Archbishop of Canterbury, Dr Rowan Williams, awaits the arrival of Pope Benedict XVI at Lambeth Palace Photograph: Chris Ison/PA

Pope Benedict XVI is welcomed to Lambeth Palace by the Archbishop of Canterbury, Dr Rowan Williams Photograph: Ki Price/Rota

Pope Benedict XVI is greeted by the Archbishop of Canterbury, Dr Rowan Williams, as he arrives at Lambeth Palace, London Photograph: Chris Ison/PA

Members of the Richmond Coalition against the State Visit protest against the pope's visit outside Lambeth Palace Photograph: Jonathan Brady/EPA

Pope Benedict XVI raises his arms as he arrives at Lambeth Palace on a visit to the Archbishop of Canterbury Dr Rowan Williams Photograph: Matt Dunham/Rota

Pope Benedict XVI addresses a meeting of Anglican and Roman Catholic Diocesan bishops of England, Scotland and Wales, flanked by the Archbishop of Canterbury Dr Rowan Williams at Lambeth Palace Photograph: Matt Dunham/AP

Pope Benedict XVI leaves Lambeth Palace in the popemobile Photograph: Stefan Wermuth/PA

Pope Benedict XVI crosses Lambeth Bridge on his way to the Houses of Parliament after meeting the Archbishop of Canterbury at Lambeth Palace Photograph: Matthew Lloyd/Getty Images

Pope Benedict XVI makes his way from the Houses of Parliament to Westminster Abbey for a Celebration of Evening Prayer Photograph: Gareth Fuller /EPA

People protest against the visit of Pope Benedict XVI while holding banners outside Westminster Abbey Photograph: Max Rossi/Reuters

The Archbishop of Canterbury, Rowan Williams, (L), and Pope Benedict XVI embrace during a Celebration of Evening Prayer in Westminster Abbey Photograph: Richard Pohle/Rota

Pope Benedict XVI prays with the Archbishop of Canterbury, Dr Rowan Williams, at the Shrine of St Edward the Confessor in Westminster Abbey Photograph: Lewis Whyld/PA

Pope Benedict XVI sings a hymn with the Archbishop of Canterbury, Dr Rowan Williams, during a Celebration of Evening Prayer at Westminster Abbey Photograph: John Stillwell/PA

Britain's Archbishop of Canterbury Rowan Williams (R) and Pope Benedict XVI walk after mass at Westminster Abbey Photograph: Max Rossi/Reuters

Pope Benedict XVI leaves Westminster Abbey Photograph: Suzanne Plunkett/Reuters