This extraordinary haunting building, a zig-zag form reflecting an invisible matrix of addresses of Jewish Berliners who once lived in the area, is Daniel Libeskind's first commission. It took ten years to build, and it has become an integral part of the cityscape, attracting vast numbers of visitors and signaling a new era of Jewish-German history. Libeskind is questioned by Alan Riding, New York Times journalist, as he takes him through the building,...