Chief Rabbi of Poland, Michael Schudrich, chants prayers during the 72nd anniversary of the Warsaw Ghetto Uprising, in front of the monument to the Heroes of the Ghetto, with its burning torches, in Warsaw, Poland, on Sunday, April 19, 2015. Nazi Germany brutally occupied Poland and ran death camps here from 1939-45, killing millions of Poland's and Europe's Jews, but also Poles and other nationals. (AP Photo/Czarek Sokolowski)