Vaulted ceiling and transom window facing east, on the @chiarchitecture Art Deco tour led by docent Jeff. Patterns of abstract and geometric forms characterize the building completed in 1925. Discovered that, in Chicago, the Art Deco movment in architecture only spanned 8 years, before the depression halted new skyscrapers for 21 years. (Carbide and Carbon Building, Michigan Avenue, Chicago, Illinois) 20220714