Papież Franciszek w Brazylii

Pope Francis waves to the crowd as he passes by in Conde de Bonfim Street in Rio de Janeiro, on July 24, 2013. Photo by Celso Pupo/Fotoarena/Sipa USA

People waiting for Pope Francis in Rio de Janeiro streets, on July 24, 2013. Photo by Celso Pupo/Fotoarena/Sipa USA

Pope Francis waves to the crowd as he passes by in Conde de Bonfim Street in Rio de Janeiro, on July 24, 2013. Photo by Celso Pupo/Fotoarena/Sipa USA

Pope Francis waves to the crowd as he passes by in Conde de Bonfim Street in Rio de Janeiro, on July 24, 2013. Photo by Celso Pupo/Fotoarena/Sipa USA

People waiting hours for Pope Francis visit to Sao Francisco Xavier na Tijuca church in Rio de Janeiro. Photo by Bia Alves/Fotoarena/Sipa USA

Pope Francis inaugurates a department for drug addicts in Sao Francico da Providencia de Deus Hospital in Rio de Janeiro, on July 24, 2013. Photo by...

People waiting hours for Pope Francis visit to Sao Francisco Xavier na Tijuca church in Rio de Janeiro. Photo by Bia Alves/Fotoarena/Sipa USA

People waiting hours for Pope Francis visit to Sao Francisco Xavier na Tijuca church in Rio de Janeiro. Photo by Bia Alves/Fotoarena/Sipa USA

People waiting hours for Pope Francis visit to Sao Francisco Xavier na Tijuca church in Rio de Janeiro. Photo by Bia Alves/Fotoarena/Sipa USA

Pope Francis inaugurates a department for drug addicts in Sao Francico da Providencia de Deus Hospital in Rio de Janeiro, on July 24, 2013. Photo by...

Pope Francis inaugurates a department for drug addicts in Sao Francico da Providencia de Deus Hospital in Rio de Janeiro, on July 24, 2013. Photo by...

Pope Francis inaugurates a department for drug addicts in Sao Francico da Providencia de Deus Hospital in Rio de Janeiro, on July 24, 2013. Photo by...

Pope Francis inaugurates a department for drug addicts in Sao Francico da Providencia de Deus Hospital in Rio de Janeiro, on July 24, 2013. Photo by...

Pope Francis celebrating a masse in Aparecida do Norte, Sao Paulo, on July 24, 2013. Photo by Magnus Torquato/Fotoarena/Sipa USA

Pope Francis celebrating a masse in Aparecida do Norte, Sao Paulo, on July 24, 2013. Photo by Magnus Torquato/Fotoarena/Sipa USA

Pope Francis celebrating a masse in Aparecida do Norte, Sao Paulo, on July 24, 2013. Photo by Magnus Torquato/Fotoarena/Sipa USA

Pope Francis celebrating a masse in Aparecida do Norte, Sao Paulo, on July 24, 2013. Photo by Magnus Torquato/Fotoarena/Sipa USA

Pope Francis celebrating a masse in Aparecida do Norte, Sao Paulo, on July 24, 2013. Photo by Magnus Torquato/Fotoarena/Sipa USA

Pope Francis celebrating a masse in Aparecida do Norte, Sao Paulo, on July 24, 2013. Photo by Magnus Torquato/Fotoarena/Sipa USA/sipausa.11945083/***...

Pope Francis celebrating a masse in Aparecida do Norte, Sao Paulo, on July 24, 2013. Photo by Magnus Torquato/Fotoarena/Sipa USA/sipausa.11945082/***...

Pope Francis celebrating a masse in Aparecida do Norte, Sao Paulo, on July 24, 2013. Photo by Magnus Torquato/Fotoarena/Sipa USA/sipausa.11945069/***...

Pope Francis celebrating a masse in Aparecida do Norte, Sao Paulo, on July 24, 2013. Photo by Magnus Torquato/Fotoarena/Sipa USA/sipausa.11945072/***...

Pope Francis officiates mass at the Basilica of Our Lady of Aparecida, Brazil's most revered Catholic shrine, in Aparecida, Sao Paulo State, on July 2...

Pope Francis officiates mass at the Basilica of Our Lady of Aparecida, Brazil's most revered Catholic shrine, in Aparecida, Sao Paulo State, on July 2...

Roque Steves, dressed in the likeness of the pope, waves to members of security and the press as he arrives to the Sumare residence where Pope Francis...

Pope Francis addresses the young people at Copacabana beach in Rio de Janeiro, Brazil during the World Youth Day on July 25, 2013. The first Latin Ame...

The wind blows Pope Francis's mantle as he speaks at Copacabana beach in Rio de Janeiro, Brazil during the World Youth Day on July 25, 2013. The first...

Pope Francis wears a neck garland given to him during his visit to the Varginha favela in Rio de Janeiro, on July 25, 2013. The Varginha favela is a c...

RIO DE JANEIRO, Brazil - Pope Francis speaks to reporters traveling with him on a chartered flight heading to Rio de Janeiro on July 22, 2013. The pop...

The wind blows Pope Francis's mantle as he speaks at Copacabana beach in Rio de Janeiro, Brazil during the World Youth Day on July 25, 2013. The first...

The wind blows Pope Francis's mantle as he speaks at Copacabana beach in Rio de Janeiro, Brazil during the World Youth Day on July 25, 2013. The first...

The wind blows Pope Francis's mantle as he speaks at Copacabana beach in Rio de Janeiro, Brazil during the World Youth Day on July 25, 2013. The first...

Military police occupy the favela Rola, in Santa Cruz, west of Rio de Janeiro, southeastern Brazil, on July 23, 2013. Photo: Jadson Marques/Estadao Co...

Pope Francis and Brazilian President Dilma Rousseff chat during the welcoming ceremony at the Guanabara Palace, Rio de Janeiro, on July 22, 2013./GALA...

A member of the security detail holds up a baby to Pope Francis as he makes his way in the popemobile from Cathedral to downtown of Rio de Janeiro, Br...

Pope Francis waves from his popemobile as he makes his way from Cathedral to downtown of Rio de Janeiro, Brazil, July 22, 2013. The pontiff arrived fo...

Pope Francis gestures as he greets journalists of the papal flight, upon arrival in Rio de Janeiro, Brazil on July 22, 2013. Pope Francis landed in Br...

TOPSHOTS - Pope Francis waves from the popemobile on his way to the Guanabara Palace after his arrival in Rio de Janeiro, Brazil on July 22, 2013. Pop...

Brazil's President Dilma Rousseff and Pope Francis visit upon his arrival at the international airport in Rio de Janeiro, Brazil, Monday, July 22, 201...

In this photo provided by the Vatican newspaper L'Osservatore Romano, Pope Francis holds a bag as he boards a plane at Rome's Leonardo Da Vinci intern...

Pope Francis and Brazil's President Dilma Rousseff smile as she accompanies him upon his arrival at the international airport in Rio de Janeiro, Brazi...

Brazil's President Dilma Rousseff, right, talks to Pope Francis as she accompanies him upon his arrival at the international airport in Rio de Janeiro...

Pope Francis' plane arrives at the international airport in Rio de Janeiro, Brazil, Monday, July 22, 2013, in his first trip as pontiff to Latin Ameri...

In this image released by Brazil's Presidential Press Office, Pope Francis, left, walks Brazil's President, Dilma Rousseff upon his arrival at the Gal...

Pope Francis deplanes upon his arrival at the international airport in Rio de Janeiro, Brazil, Monday, July 22, 2013. During his seven-day visit, Fran...

A crowd of faithful cheer as Pope Francis rides in his popemobile in Rio de Janeiro, Brazil, Monday July 22, 2013. The pontiff arrived for a seven-day...

Pope Francis (L) and Brazil President Dilma Roussef (R) on the Pope arrival at Rio de Janeiro airport, on July 22, 2013, for his visit to Brazil. Phot...

Pope Francis (L) and Brazil President Dilma Roussef (R) on the Pope arrival at Rio de Janeiro airport, on July 22, 2013, for his visit to Brazil. Pho...

Pope Francis (L), Brazil President Dilma Roussef (C) and Rio de Janeiro mayor Eduardo Paes (R) on the Pope arrival at Rio de Janeiro airport, on July...

Brazil President Dilma Roussef waiting at the plane stairs for Pope Francis in Rio de Janeiro airport, on July 22, 2013, for his visit to Brazil. Pho...