Papież Franciszek z pielgrzymką na Kubie

In this handout picture released by the Vatican press office on September 21, 2015 Pope Francis attends a meeting with young people at the Father Feli...

In this handout picture released by the Vatican press office on September 21, 2015 Pope Francis kisses a crucifix as he arrives at the Habana's cathed...

In this handout picture released by the Vatican press office on September 21, 2015 Pope Francis visits the Habana's cathedral on September 20, 2015 as...

In this handout picture released by the Vatican press office on September 21, 2015 Pope Francis greets children as he arrives at the Jesuit Church of...

This handout picture released by the Vatican press office on September 21, 2015 shows Pope Francis poses with members of the Jesuit church on Septembe...

This handout picture released by the Vatican press office on September 21, 2015 shows Pope Francis (L) greeting journalists on his flight from Rome to...

In this photo taken on Sunday, Sept. 20, 2015, Pope Francis salutes priests as he visits the Church of the Sacred Heart of Jesus and Saint Ignatius of...

This handout picture released by the Vatican press office on September 21, 2015 shows Pope Francis shaking hands with Cuban President Raul Castro afte...

This handout picture released by the Vatican press office on September 21, 2015 shows Pope Francis leading a mass in Havana's Revolution Square, on Se...

Mandatory Credit: Photo by AGF s.r.l./REX Shutterstock (5125990e) Pope Francis in Havana Pope Francis I visit to Havana, Cuba - 20 Sep 2015

20/09/2015 Havana, Cuba. Apostolic journey of Pope Francis to Cuba. Holy Mass celebrated by Pope Francis at Plaza de la Revolucion./GALAZKA_0819.05

20/09/2015 Havana, Cuba. Apostolic journey of Pope Francis to Cuba. Holy Mass celebrated by Pope Francis at Plaza de la Revolucion./GALAZKA_0819.10

20/09/2015 Havana, Cuba. Apostolic journey of Pope Francis to Cuba. Holy Mass celebrated by Pope Francis at Plaza de la Revolucion./GALAZKA_0819.30

20/09/2015 Havana, Cuba. Apostolic journey of Pope Francis to Cuba. Holy Mass celebrated by Pope Francis at Plaza de la Revolucion./GALAZKA_0819.31

20/09/2015 Havana, Cuba. Apostolic journey of Pope Francis to Cuba. Holy Mass celebrated by Pope Francis at Plaza de la Revolucion./GALAZKA_0819.28

20/09/2015 Havana, Cuba. Apostolic journey of Pope Francis to Cuba. Celebration of Vespers leaded by Pope Francis with priests, men and women religiou...

20/09/2015 Havana, Cuba. Apostolic journey of Pope Francis to Cuba. Courtesy visit of Pope Francis to the President of the Council of State of Cuba Ra...

20/09/2015 Havana, Cuba. Apostolic journey of Pope Francis to Cuba. Celebration of Vespers leaded by Pope Francis with priests, men and women religiou...

Pope Francis celebrates Mass, at Revolution Square in Havana, Sept. 20, 2015. Francis ? a Latin American pope who knows well the complexity of dealing...

Pope Francis meets with Cuban President Raul Castro, at Palacio de la Revolucion in Havana, Sept. 20, 2015. Francis ? a Latin American pope who knows...

Pope Francis shakes hands with President Raul Castro of Cuba upon arriving at Jose Marti International Airport in Havana, Sept. 19, 2015. In advance o...

A Cuban flag and portrait of Che Guevara overlook the crowd at Revolution Square in Havana, where Pope Francis celebrated Mass on Sept. 20, 2015. Stan...

A portrait of Che Guevara overlooks a statue of Jesus at Revolution Square in Havana, where Pope Francis celebrated Mass on Sept. 20, 2015. Standing i...

Pope Francis meets with Cuban President Raul Castro, at Palacio de la Revolucion in Havana, Sept. 20, 2015. Francis ? a Latin American pope who knows...

Pope Francis arrives to celebrate Mass, at Revolution Square in Havana, Sept. 20, 2015. Francis ? a Latin American pope who knows well the complexity...

Pope Francis shakes hands with President Raul Castro of Cuba upon arriving at Jose Marti International Airport in Havana, Sept. 19, 2015. In advance o...

This handout picture released on September 21, 2015 by the Vatican press office shows Pope Francis (L) speaking with Cuban former president Fidel Cast...

Pope Francis sits during a vespers service in the San Cristobal cathedral, Havana, Cuba, Sunday, Sept. 20, 2015. Francis presided over the evening pra...

People hold up their phones hoping to catch a glimpse of Pope Francis outside the Sacred Heart of Jesus Catholic Church on Reina Street in Havana, Cub...

Pope Francis (L) stands next to a mosaic during a meeting with Cuban President Raul Castro (R), in which they exchanged presents at Revolution Palace...

Pope Francis visits with Cuba's President Raul Castro, in Havana, Cuba, Sunday, Sept. 20, 2015. Francis thanked Castro for his welcome at Havana's air...

Pope Francis smiles as he visits with Cuba's President Raul Castro, in Havana, Cuba, Sunday, Sept. 20, 2015. Francis thanked Castro for his welcome at...

Pope Francis arrives for a vespers service in the San Cristobal cathedral, Havana, Cuba, Sunday, Sept. 20, 2015. Francis presided over the evening pra...

Pope Francis stands with head bowed after arriving for a vespers service at the San Cristobal cathedral, Havana, Cuba, Sunday, Sept. 20, 2015. Francis...

Pope Francis stands with Cuba's President Raul Castro, center, in the Revolution Palace in Havana, Cuba, Sept. 20, 2015. Francis and Castro met in Cub...

Pope Francis walks with Cuba's President Raul Castro in the Revolution Palace in Havana, Cuba, Sept. 20, 2015. Francis and Castro met in Cuba's seat o...

Pope Francis greets an Argentine journalist, who works for Orbe 21, a TV channel from the Buenos Aires archbishopric, as he arrives to the San Cristob...

Cuban President Raul Castro, second right, shows Pope Francis what appear to be official gifts for the pontiff on display: a huge crucifix made of oar...

Cuban President Raul Castro shows Pope Francis a huge crucifix made of oars, in the Revolution Palace in Havana, Cuba, Sept. 20, 2015. Francis and Cas...

Cuban President Raul Castro shows Pope Francis what appear to be official gifts for the pontiff on display inside the Palace of the Revolution: a huge...

Pope Francis looks at a huge crucifix made of oars, shown to him by Cuban President Raul Castro, in the Revolution Palace in Havana, Cuba, Sept. 20, 2...

Pope Francis arrives at the San Cristobal Cathedral in Havana, Cuba, Sunday, Sept. 20, 2015. Francis was finishing the day with a vespers service in H...

Pope Francis looks at a Christ in a cross during a meeting with Cuban President Raul Castro in which they exchanged presents at Revolution Palace in H...

Cuban President Raul Castro (R) gestures next to Pope Francis during a meeting in which they exchanged presents at Revolution Palace in Havana on Sept...

Pope Francis (L) shakes hands with Cuban President Raul Castro during a meeting in which they exchanged presents at Revolution Palace in Havana on Sep...

Photo released by the Argentinian Presidency of Argentinian President Cristina Fernandez de Kirchner (L) shaking hands with Pope Francis at Revolution...

Photo released by the Argentinian Presidency of Argentinian President Cristina Fernandez de Kirchner (R) and Cuban President Raul Castro as they atten...

A woman holds up her rosary during a final blessing at a Mass celebrated by Pope Francis in Revolution Plaza in Havana, Cuba, Sunday, Sept. 20, 2015....

Cuba's Cardinal Jaime Ortega, right, stands behind Pope Francis in the popemobile as they arrive for Mass at Revolution Plaza in Havana, Cuba, Sunday,...

Cuba's President Raul Castro, behind left, and Argentina's President Christina Fernandez, in hat, watch Pope Francis arrive for Mass at Revolution Pla...