After the terrorist acts of September 11, 2001, Trump reduced the planned height to 78 stories and , to reduce the risk of similar attacks. "Time" magazine reported that a meeting between Smith and Trump about erecting the tallest building in Chicago was taking place at the actual time of the attacks. Some international news sources later claimed that the planned tower height was reduced to after the original plans called for a 150-story building that would reach . These claims are supported by computer renderings from 1999 of the proposed skyscraper, shown in the "Chicago Tribune" in 2005.