Pope Francis arrives in Cuba to heal 1,000-year rift with Russian Orthodox Church

Pope Francis walks with Cuban President Raul Castro, at the Jose Marti airport in Havana, Cuba, Friday, Feb. 12, 2016. Pope Francis will meet for two hours with the head of the Russian Orthodox Church Patriarch Kirill during a brief stop en route to Mexico. (Ismael Francisco/Cuba Debate via AP)

The head of the Russian Orthodox Church Patriarch Kirill, left, and Pope Francis greet each other as as they meet at the Jose Marti airport in Havana, Cuba, Friday, Feb. 12, 2016. This is the first-ever papal meeting with the head of the Russian Orthodox Church, a historic development in the 1,000-year schism within Christianity. (Adalberto Roque/Pool photo via AP)

Pope Francis meets with Russian Orthodox Church Patriarch Kirill at the Jose Marti International airport in Havana, Friday, Feb. 12, 2016. Pope Francis landed in Cuba Friday for the first-ever papal meeting with Patriarch Kirill, the head of the Russian Orthodox Church, a historic development in the 1,000-year schism within Christianity.(AP Photo/Gregorio Borgia)

The head of the Russian Orthodox Church Patriarch Kirill, left, and Pope Francis talk during their meeting at the Jose Marti airport in Havana, Cuba, Friday, Feb. 12, 2016. This is the first-ever papal meeting with the head of the Russian Orthodox Church, a historic development in the 1,000-year schism within Christianity. (Adalberto Roque/Pool photo via AP)

Pope Francis walks next to Cuban President Raul Castro, at the Jose Marti airport in Havana, Cuba, Friday, Feb. 12, 2016. Pope Francis will meet for two hours with the head of the Russian Orthodox Church Patriarch Kirill during a brief stop en route to Mexico. (AP Photo/Desmond Boylan)

Pope Francis wears a traditional Mexican sombrero hat he received as a gift by a Mexican journalist aboard the plane during the flight from Rome to Habana, Cuba, on his way to a week-long trip to Mexico, Friday, Feb. 12, 2016. The pontiff is scheduled to stop in Cuba for an historical meeting with Russian Orthodox Patriarch Kirill that the Vatican sees as a historic step in the path toward healing the 1,000-year schism that split Christianity. (Alessandro Di Meo/Pool Photo via AP)

The head of the Russian Orthodox Church Patriarch Kirill, left, walks with Cuban President Raul Castro, center, at Revolution Palace in Havana, Cuba, Friday, Feb. 12, 2016. Kirill is traveling through Latin America, visiting national leaders and the region's small Russian Orthodox communities. Patriarch Kirill will also meet Pope Francis for two hours during a brief stop in Havana's Jose Marti airport en route to Mexico. (Enrique de la Osa/Pool photo via AP)

Pope Francis, left, meets with Cuban President Raul Castro, at the Jose Marti airport in Havana, Cuba, Friday, Feb. 12, 2016. Pope Francis will meet for two hours with the head of the Russian Orthodox Church Patriarch Kirill during a brief stop en route to Mexico. (Ismael Francisco/Cuba Debate via AP)

Public phone booths are covered with images of Pope Francis in downtown Mexico City, Thursday, Feb. 11, 2016. The pontiff arrives in Mexico on Friday for a week-long visit. (AP Photo/Marco Ugarte)

The head of the Russian Orthodox Church Patriarch Kirill, left, and Cuban President Raul Castro, stand together during a meeting at Revolution Palace in Habana, Cuba, Friday, Feb. 12, 2016. Kirill is traveling through Latin America, visiting national leaders and the region's small Russian Orthodox communities. Patriarch Kirill will also meet Pope Francis for two hours during a brief stop in Havana's Jose Marti airport en route to Mexico. (Ismael Francisco/Cubadebate via AP)

Russian Orthodox Patriarch Kirill stands in Revolution Square backdropped by a sculpture of Che Guevara before an offering to Cuban independence hero Jose Marti in Havana, Cuba, Friday, Feb. 12, 2016. Kirill is traveling through Latin America, visiting national leaders and the region's small Russian Orthodox communities. Patriarch Kirill will also meet Pope Francis for two hours during a brief stop in Havana's Jose Marti airport en route to Mexico. (Ismael Francisco/Cubadebate via AP)