Taken on September 20, 1932, the classic picture known as “Lunch Atop a Skyscraper” catches a moment captured in time. Eleven courageous ironworkers are shown in this black-and- white picture seated atop a steel beam, flying 850 feet (260 metres) over Manhattan, New York City. Nestled inside the grandeur of Rockefeller Centre, their great elevation is the sixty-ninth floor of…