PICTURE TAKEN ON MAY 10, 2015 AND MADE AVAILABLE MONDAY, MAY 11, 2015. POOL PHOTO
In this picture taken on May 10, 2015 and made available Monday, May 11, 2015, Pope Francis, center. flanked on his right by Cuban President Raul Castro, and his delegation, poses for photographers during a private audience at the Vatican. Castro paid a call Sunday on Pope Francis at the Vatican to thank him for working for Cuban-U.S. detente ? and said he was so impressed by the pontiff he is considering a return to the Catholic church's fold. (L'Osservatore Romano/Pool Photo via AP)