BERLIN - MAY 12: Visitors walk among some of the 2,711 stellae of a Holocaust memorial on the first day of its opening to the public May 12, 2005 in Berlin, Germany. Located in the heart of Berlin, the controversial memorial was designed by American architect Peter Eisenman and commemorates the six million Jews murdered by the Nazis during World War II. (Photo by Sean Gallup/Getty Images)

BERLIN - MAY 12: Visitors walk among some of the 2,711 stellae of a Holocaust memorial on the first day of its opening to the public May 12, 2005 in Berlin, Germany. Located in the heart of Berlin, the controversial memorial was designed by American architect Peter Eisenman and commemorates the six million Jews murdered by the Nazis during World War II. (Photo by Sean Gallup/Getty Images)