Nuremberg preserves Nazi past, stone by stone

When Nazi ruins begin to crumble, is it better for Germany to rip them down or restore them? That is the question now facing Nuremberg, site of the infamous vast marching grounds and torchlit parades immortalised by filmmaker Leni Riefenstahl. As it prepares to mark the 75th anniversary of the post-war trials of Adolf Hitler’s top henchmen, the city has opted to throw itself into a massive conservation effort tied to Germany’s vaunted culture of…