Benedykt XVI na mszy w intencji osób starszych

Pope emeritus Benedict XVI (L) is welcomed by Pope Francis as he arrives to attend a papal mass for elderly people at St Peter's square on September 2...

TOPSHOTS Pope emeritus Benedict XVI (L) speaks with Pope Francis during a papal mass for elderly people at St Peter's square on September 28, 2014 at...

Pope Francis, right, greets Pope Emeritus Benedict XVI prior to the start of a meeting with elderly faithful in St. Peter's Square at the Vatican, Sun...

Pope Francis, right, greets Pope Emeritus Benedict XVI prior to the start of a meeting with elderly faithful in St. Peter's Square at the Vatican, Sun...

Pope Francis, right, hugs Pope Emeritus Benedict XVI prior to the start of a meeting with elderly faithful in St. Peter's Square at the Vatican, Sunda...

Pope Francis, right, hugs Pope Emeritus Benedict XVI prior to the start of a meeting with elderly faithful in St. Peter's Square at the Vatican, Sunda...

Pope Francis, right, greets Pope Emeritus Benedict XVI at the end of a meeting with elderly faithful in St. Peter's Square at the Vatican, Sunday, Sep...

Pope Emeritus Benedict XVI leaves at the end of a meeting with elderly faithful in St. Peter's Square, at the Vatican, Sunday, Sept. 28, 2014. (AP Pho...

Pope emeritus Benedict XVI (C) arrives with prefect of the papal household Georg Gaenswein (R) to attend a papal mass for elderly people at St Peter's...

Pope emeritus Benedict XVI arrives to attend a papal mass for elderly people at St Peter's square on September 28, 2014 at the Vatican. AFP PHOTO / T...

Pope emeritus Benedict XVI (L) is welcomed by Pope Francis as he arrives to attend a papal mass for elderly people at St Peter's square on September 2...

Pope emeritus Benedict XVI (L) is welcomed by Pope Francis as he arrives to attend a papal mass for elderly people at St Peter's square on September 2...

Pope emeritus Benedict XVI (L) is welcomed by Pope Francis as he arrives to attend a papal mass for elderly people at St Peter's square on September 2...

Pope Francis arrives to lead a papal mass for elderly people at St Peter's square on September 28, 2014 at the Vatican. AFP PHOTO / TIZIANA FABI

Pope Francis leads a papal mass for elderly people at St Peter's square on September 28, 2014 at the Vatican. AFP PHOTO / TIZIANA FABI

Pope emeritus Benedict XVI (L) speaks with prefect of the papal household Georg Gaenswein before a papal mass for elderly people at St Peter's square...

Pope emeritus Benedict XVI attends a papal mass for elderly people at St Peter's square on September 28, 2014 at the Vatican. AFP PHOTO / TIZIANA FAB...

Pope Francis leads a papal mass for elderly people at St Peter's square on September 28, 2014 at the Vatican. AFP PHOTO / TIZIANA FABI

Pope emeritus Benedict XVI (L) speaks with Pope Francis during a papal mass for elderly people at St Peter's square on September 28, 2014 at the Vatic...

Pope emeritus Benedict XVI (L) speaks with prefect of the papal household Georg Gaenswein before a papal mass for elderly people at St Peter's square...

Pope Francis leads a papal mass for elderly people at St Peter's square on September 28, 2014 at the Vatican. AFP PHOTO / TIZIANA FABI