** FILE ** In a Jan. 26, 2005, file photo, visitors walk under the notorious "Arbeit Macht Frei" — Work Makes (You) Free — sign at the entrance gate of the Auschwitz Nazi concentration camp in Oswiecim, southern Poland. The special prosecutors' office that investigates Nazi war crimes said Tuesday Sept. 3, 2013, it is recommending charges against dozens of alleged former Auschwitz guards, opening the possibility of a new wave of trials almost 70 years after the end of World War II. (AP Photo/Herbert Knosowski/file)