Sister Sancja readies the altar in God's Mercy sanctuary in Krakow, Poland, on Sunday, April 27, 2014, for ceremonies of canonization of Polish-born Pope John Paul II. Thousands of faithful flocked to the sanctuary to watch live from the Vatican as Pope Francis, aided by emeritus Pope Benedict XVI declares John Paul and John XXIII saints, in an unprecedented ceremony involving four popes. (AP Photo/Czarek Sokolowski)