Speer had been commissioned by Adolf Hitler to build a stadium for the annual party rallies, but the stadium could not be completed in time for the 1933 rally. As a stopgap, he used 152 antiaircraft searchlights pointed upwards around the assembly area.Martin Filler, "Hanging Out with Hitler", review of Martin Kitchen, Speer: Hitler's Architect, New York Review of Books 62:20:36-40 (December 17, 2015)
