Pope to visit Auschwitz, will become 3rd pope to do so

Head of Vatican security Domenico Giani, left, looks ahead as Pope Francis waves to faithful participating in the World Youth Days in Krakow's Jordan Park, Poland, Thursday, July 28, 2016. The Pope is on a five-day visit to Poland which will culminate with the World Youth Day on Sunday. (AP Photo/Alik Keplicz) (The Associated Press)

Pope Francis walks through the gate of the former Nazi German death camp of Auschwitz in Oswiecim, Poland, Friday, July 29, 2016. Pope Francis paid a somber visit to the Nazi German death camp of Auschwitz-Birkenau Friday, becoming the third consecutive pontiff to make the pilgrimage to the place where Adolf Hitler's forces killed more than 1 million people, most of them Jews. (AP Photo/Gregorio Borgia) (The Associated Press)

Pope Francis walks through the gate of the former Nazi German death camp of Auschwitz in Oswiecim, Poland, Friday, July 29, 2016. Pope Francis paid a somber visit to the Nazi German death camp of Auschwitz-Birkenau Friday, becoming the third consecutive pontiff to make the pilgrimage to the place where Adolf Hitler's forces killed more than 1 million people, most of them Jews. (AP Photo/Czarek Sokolowski) (The Associated Press)