Papież Franciszek z pielgrzymką w USA

Pope Francis leads a celebratory mass to canonize Junipero Serra at the Basilica of the National Shrine of the Immaculate Conception in Washington, Se...

Pope Francis greets and blesses seminarians, novices, religious guests inside the Basilica of the National Shrine of the Immaculate Conception during...

Pope Francis leads a celebratory mass to canonize Junipero Serra at the Basilica of the National Shrine of the Immaculate Conception in Washington, Se...

Pope Francis blesses greets people inside the Basilica of the National Shrine of the Immaculate Conception in Washington, Wednesday, Sept. 23, 2015, b...

US President Barack Obama and Pope Francis stand during an arrival ceremony on the South Lawn of the White House in Washington, DC, September 23, 2015...

Pope Francis reaches for a letter and t-shirt given to him by a girl during a parade on September 23, 2015, in Washington, DC. AFP PHOTO/POOL/ALEX BRA...

A child reaches for Pope Francis with a letter during a parade on September 23, 2015, in Washington, DC. AFP PHOTO/POOL/ALEX BRANDON

TOPSHOTS Five-year-old Sofia Cruz is walked back before Pope Francis called for her during a parade on September 23, 2015, in Washington, DC. Sofia C...

September 23 2015 : President Barack Obama with Pope Francis during a state arrival ceremony on the South Lawn of the White House in Washington.

September 23 2015 : President Barack Obama with Pope Francis during a state arrival ceremony on the South Lawn of the White House in Washington.

September 23 2015 : President Barack Obama with Pope Francis during a state arrival ceremony on the South Lawn of the White House in Washington.

September 23 2015 : President Barack Obama with Pope Francis during a state arrival ceremony on the South Lawn of the White House in Washington. EDITO...

September 23 2015 : President Barack Obama with Pope Francis during a state arrival ceremony on the South Lawn of the White House in Washington.

September 23 2015 : Pope Francis celebrates a Mass and Canonization of Blessed Father Junipero Serra at the National Shrine of the Immaculate Concepti...

September 23 2015 : Pope Francis celebrates a Mass and Canonization of Blessed Father Junipero Serra at the National Shrine of the Immaculate Concepti...

Pope Francis gestures from the top of the stairs of his plane as he departs the airport in Santiago, Cuba, Tuesday, Sept. 22, 2015. Pope Francis wrapp...

Nuns with the Hospitaler Sisters of Mercy in Pleasantville, N.J., pose for a selfie with a cutout of Pope Francis, at the World Meeting of Families co...

Pope Francis waves from a Fiat 500 as his motorcade departs from Andrews Air Force Base, Md., Tuesday, Sept. 22, 2015, where President and Mrs. Obama...

Pope Francis waves from his car, a Fiat 500, after arriving at Andrews Air Force Base, Md., Tuesday, Sept. 22, 2015. The Pope is spending three days i...

Pope Francis, left, walks with President Barack Obama, right, after arriving at Andrews Air Force Base, Md., Tuesday, Sept. 22, 2015. The Pope is spen...

Pope Francis, left, greets children as he is escorted by President Barack Obama, center, and first lady Michelle Obama, right, after arriving at Andre...

Pope Francis, left, walks with President Barack Obama, right, after arriving at Andrews Air Force Base, Md., Tuesday, Sept. 22, 2015. The Pope is spen...

TOPSHOTS Pope Francis laughs alongside US President Barack Obama upon arrival at Andrews Air Force Base in Maryland, September 22, 2015, on the start...

Pope Francis walks with President Barack Obama for his first-ever visit to the United States, at Joint Base Andrews in Maryland, Sept. 22, 2015. Franc...

Mandatory Credit: Photo by REX Shutterstock (5149112ai) His Holiness Pope Francis arrives at Joint Base Andrews in Maryland on September 22, 2015. Th...

Mandatory Credit: Photo by REX Shutterstock (5149112y) United States President Barack Obama greets His Holiness Pope Francis on his arrival at Joint...

Pope Francis waves from a Fiat 500 as his motorcade departs from Andrews Air Force Base, Md., Tuesday, Sept. 22, 2015, where President and Mrs. Obama...

Pope Francis talks with President Barack Obama after arriving at Andrews Air Force Base in Md., Tuesday, Sept. 22, 2015. The Pope is spending three da...

First lady Michelle Obama, accompanied by President Barack Obama, greet Pope Francis upon his arrival at Andrews Air Force Base, Md., Tuesday, Sept. 2...

Pope Francis enters the Apostolic Nunciature, the Vatican's diplomatic mission in the heart of Washington, Tuesday, Sept. 22, 2015. Pope Francis will...

Pope Francis, center, shares a laugh with President Barack Obama, second from right, and first lady Michelle Obama, right, after arriving at Andrews A...

Pope Francis waves from inside a Fiat 500 as he departs Andrews Air Force Base in Md., Tuesday, Sept. 22, 2015. The Pope is spending three days in Was...

Workers prepare the South Lawn of the White House in Washington, Tuesday, Sept. 22, 2015, the day before Pope Francis visits the White House.(AP Photo...

President Barack Obama and Pope Francis laugh upon the pope's arrival for a first-ever visit to the United States, at Joint Base Andrews in Maryland,...

American and Vatican flags are flown from the cockpit of the airplane carrying Pope Francis, arriving at Joint Base Andrews in Maryland, Sept. 22, 201...

Pope Francis is greeted by President Barack Obama and others upon arriving for his first-ever visit to the United States, at Joint Base Andrews in Mar...

Pope Francis waves from his Fiat after arriving at Joint Base Andrews for his first-ever visit to the United States, at Joint Base Andrews in Maryland...

Pope Francis shakes hands with President Barack Obama upon arriving for his first-ever visit to the United States, at Joint Base Andrews in Maryland,...

Pope Francis leaves in a Fiat after arriving at Joint Base Andrews for his first-ever visit to the United States, at Joint Base Andrews in Maryland, S...

President Barack Obama looks on as Pope Francis prepares to depart in a Fiat after arriving for his first-ever visit to the United States, at Joint Ba...

Children greet Pope Francis upon his arrival for a first-ever visit to the United States, at Joint Base Andrews in Maryland, Sept. 22, 2015. Francis l...

Pope Francis shakes hands with Malia Obama, left, as President Barack Obama and his family look on, at Joint Base Andrews in Maryland, Sept. 22, 2015....

Pope Francis keeps a hand on his zucchetto upon arriving for his first-ever visit to the United States, at Joint Base Andrews in Maryland, Sept. 22, 2...

American and Vatican flags fly from the cockpit of the airplane carrying Pope Francis, arriving at Joint Base Andrews in Maryland, Sept. 22, 2015. At...

Pope Francis walks with President Barack Obama upon arriving for his first-ever visit to the United States, at Joint Base Andrews in Maryland, Sept. 2...

Pope Francis arrives for his first-ever visit to the United States, at Joint Base Andrews in Maryland, Sept. 22, 2015. Francis landed to a red carpet...

Pope Francis leaves in a Fiat after arriving for his first-ever visit to the United States, at Joint Base Andrews in Maryland, Sept. 22, 2015. Francis...

Pope Francis leaves in a Fiat after arriving at Joint Base Andrews for his first-ever visit to the United States, at Joint Base Andrews in Maryland, S...

Pope Francis shakes hands with President Barack Obama upon arriving for his first-ever visit to the United States, at Joint Base Andrews in Maryland,...

Children greet Pope Francis upon his arrival for a first-ever visit to the United States, at Joint Base Andrews in Maryland, Sept. 22, 2015. Francis l...