 Sometimes these protruded from the building to form a slight bay.Although the exterior of the Chicago skyscrapers buildings were relatively plain, the entrance ways and lobbies were fitted out in a grand style.The Unity Building, for example, was reported as including "Numidian, Alps, Green and Sienna marbles ... an artistic screen of glass and bronze ... a marble balcony" alongside "Corinthian columns with finely carved capitals, gold-leaf and silver chandeliers, and silver-plated latticework" on the elevators.