EntityQ1639792· pop 13· linked from 142 articlesHyatt CenterSign in to saveoffice tower based in ChicagoConnectionsHyatt Hotels CorporationEntityParisEntityChicagoEntityIllinoisEntitygeographic coordinate systemEntitySeptember 11 attacksConceptsteelEntityconcreteEntityskyscraperEntityelevatorEntityWillis TowerEntityBambusoideaeEntityArt DecoEntityfoundationEntityNorman FosterEntityList of tallest buildingsConcepttrompe-l'œilEntityAon CenterEntityTrump International Hotel and TowerEntity875 North Michigan AvenueEntityCategories2005 establishments in IllinoisCentral ChicagoLeadership in Energy and Environmental Design platinum certified buildingsOffice buildings completed in 2005Skyscraper office buildings in Chicago