16 Jan photographic images from chicago architectural ornament survey (caos) winter of 2025
latest photographic images from bldg. 51 archive’s chicago architectural ornament survey (caos) are provided below. the ever-expanding photo-documentation project focuses on systematically recording any and all architectural ornament located on historically important 19th and early 20th century extant buildings located in downtown chicago and surrounding neighborhoods. to date, there are over 176,000 images within the CAOS database.
