Secretary-General of the United Nations Ban Ki-moon (2nd R) is flanked by Auschwitz-Birkenau State Museum director Piotr Cywinski (L), Rabbi Meir Lau (2nd L) and former Auschwitz prisoner and holocaust survivor Marian Turski (R) as he visits the former Auschwitz concentration camp at the Auschwitz-Birkenau memorial site on November 18, 2013 in Oswiecim, Poland. AFP PHOTO / BARTOSZ SIEDLIK