Secretary-General of the United Nations Ban Ki-moon visit the former Auschwitz concentration camp during avisit at the Auschwitz-Birkenau memorial site on November 18, 2013 in Oswiecim, Poland. On the picture (from L) director of Museum Auschwitz Piotr Cywinski, rabbi Meir Lau, Ban Ki-moon, former prisoner of Auschwitz MarianTurski. AFP PHOTO / BARTOSZ SIEDLIK