Pope Francis gestures from the top of the stairs of his plane as he departs the airport in Santiago, Cuba, Tuesday, Sept. 22, 2015. Pope Francis wrapped up his visit to Cuba Tuesday by celebrating an homily at the country's most revered shrine and giving a pep talk with families before flying north to Washington for the start of his U.S. tour. (Ismael Francisco/Cubadebate Via AP), APTOPIX