I.M. Pei (American architect, born 1917 in China) French 1983-1989 View of the self-supporting helical stairway and hydraulic lift in the underground lobby directly beneath the entrance pyramid Paris, Île-de-France, France Steel © Javier Gomez Javier Gomez 35 mm slides Late Modernist/ Cubist Architecture and City Planning Pyramide du Louvre museums