Pope Francis and Polish Prime Minister Beata Szydlo (R) smile as they leave University Children's Hospital of Cracow after the meeting with children, July 29, 2016. Pope Francis on July 29, 2016, walked alone through the notorious wrought-iron "Arbeit Macht Frei" (Work Sets You Free) gate as he visited the former Nazi death camp Auschwitz-Birkenau. / AFP PHOTO / WOJTEK RADWANSKI