Relics of late Pope John Paul II lie in the Sanctuary of St. John Paul II in Krakow, Poland, Saturday, July 30, 2016. Embedded in a gray memorial stone, a story below the altar where Pope Francis celebrated Mass Saturday in a shrine dedicated to St. John Paul II, is a glass bubble, filled with blood taken by doctors from the Polish pontiff shortly before his death in 2005. (AP Photo/Frances D'Emilio)