although the building looks as though it is split down the middle, the two sides are only slightly disjointed until nearing the top, where there is a gap between them. at times, its slanted roof—which has been likened to a skyscraper slashed with a knife—displays local sports slogans on its face, such as "go bears" and "go sox". it also displayed "vote 2008" during the 2008 election day rally at grant park.