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 Loyola, in Havana, Cuba. Pope Francis began a 10-day trip to Cuba and the United States on Saturday, embarking on his first trip to the onetime Cold War foes after helping to nudge forward their historic rapprochement. (L'Osservatore Romano/Pool Photo via AP)