Former chief rabbi of Tel-Aviv, Israel Meir Lau,right, with Israel's ambassador to Poland, Zvi Rav-Ner and Hungary's President Janos Ader await the ceremonies at the memorial to the 6 million Holocaust victims held in Oswiecim, Poland, on Monday, April 28, 2014. The observance was held during the annual march of the Living by Jewish youths from around the world. This year the march honors also some 430,000 Hungarian Jews brought to the camp in 1933, most of them died in the gas chambers. (AP Photo/Czarek Sokolowski)