This handout picture released by the Vatican press office shows Pope Francis signing a surf board during a meeting with the participants of the Sixth World Congress of Pontifical Foundation Scholas Occurrentes, on May 29, 2016 in Vatican. Scholas is an international organization of pontifical right approved and created by Pope Francis in Vatican City August 13, 2013. It combines technology with art and sport to promote social integration and culture of encounter for peace. / AFP PHOTO / OSSERVATORE ROMANO / HO / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / OSSERVATORE ROMANO" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS HO/AFP/Getty Images

This handout picture released by the Vatican press office shows Pope Francis posing for a selfie prior a meeting with the participants of the Sixth World Congress of Pontifical Foundation Scholas Occurrentes, on May 29, 2016 in Vatican. Scholas is an international organization of pontifical right approved and created by Pope Francis in Vatican City August 13, 2013. It combines technology with art and sport to promote social integration and culture of encounter for peace. / AFP PHOTO / OSSERVATORE ROMANO / HO / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / OSSERVATORE ROMANO" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS HO/AFP/Getty Images

This handout picture released by the Vatican press office shows Pope Francis holding a jersey with his name, he received from Fifa president Gianni Infantino prior a meeting with the participants of the Sixth World Congress of Pontifical Foundation Scholas Occurrentes, on May 29, 2016 in Vatican. Scholas is an international organization of pontifical right approved and created by Pope Francis in Vatican City August 13, 2013. It combines technology with art and sport to promote social integration and culture of encounter for peace. / AFP PHOTO / OSSERVATORE ROMANO / HO / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / OSSERVATORE ROMANO" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS HO/AFP/Getty Images

This handout picture released by the Vatican press office shows Pope Francis (R) shaking hands with US actor George Clooney and his wife Amal Clooney prior a meeting with the participants of the Sixth World Congress of Pontifical Foundation Scholas Occurrentes, on May 29, 2016 in Vatican. Scholas is an international organization of pontifical right approved and created by Pope Francis in Vatican City August 13, 2013. It combines technology with art and sport to promote social integration and culture of encounter for peace. / AFP PHOTO / OSSERVATORE ROMANO / HO / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / OSSERVATORE ROMANO" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS HO/AFP/Getty Images

This handout picture released by the Vatican press office shows Pope Francis (L) meeting with US actor Richard Gere and girlfriend Alejandra Silva prior a meeting with the participants of the Sixth World Congress of Pontifical Foundation Scholas Occurrentes, on May 29, 2016 in Vatican. Scholas is an international organization of pontifical right approved and created by Pope Francis in Vatican City August 13, 2013. It combines technology with art and sport to promote social integration and culture of encounter for peace. / AFP PHOTO / OSSERVATORE ROMANO / HO / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / OSSERVATORE ROMANO" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS HO/AFP/Getty Images

French businessman Francois-Henri Pinault (L) greets US actor George Clooney as his wife actress Salma Hayek greets Amal Clooney (R) before the arrival of Pope Francis for a meeting with the participants of the Sixth World Congress of Pontifical Foundation Scholas, on May 29, 2016 in Vatican. Scholas is an international organization of pontifical right approved and created by Pope Francis in Vatican City August 13, 2013. It combines technology with art and sport to promote social integration and culture of encounter for peace. / AFP PHOTO / VINCENZO PINTOVINCENZO PINTO/AFP/Getty Images

Former Argentinian football player Juan Sebastian Veron gives a football to Pope Francis during a meeting with the participants of the Sixth World Congress of Pontifical Foundation Scholas, on May 29, 2016 in Vatican. Scholas is an international organization of pontifical right approved and created by Pope Francis in Vatican City August 13, 2013. It combines technology with art and sport to promote social integration and culture of encounter for peace. / AFP PHOTO / VINCENZO PINTOVINCENZO PINTO/AFP/Getty Images

A picture shows the autograph of Pope Francis reading "to Bird's Surf Shed" on a surf board during a meeting with the participants of the Sixth World Congress of Pontifical Foundation Scholas, on May 29, 2016 in Vatican. Scholas is an international organization of pontifical right approved and created by Pope Francis in Vatican City August 13, 2013. It combines technology with art and sport to promote social integration and culture of encounter for peace. / AFP PHOTO / VINCENZO PINTOVINCENZO PINTO/AFP/Getty Images