img/ Burnham & Root: Rookery Building Burnham & Root: Rookery Building 1886 Chicago IMGP2920 2016-04-23 1987 × 3000 JPEG 1.5M IMGP2924 2016-04-23 3000 × 1987 JPEG 2.1M IMGP2928 2016-04-23 3000 × 1987 JPEG 2.1M IMGP2932 2016-04-23 3000 × 1982 JPEG 1.3M IMGP2933 2016-04-23 3000 × 1987 JPEG 2.2M IMGP2937 2016-04-23 3000 × 1974 JPEG 2M IMGP2940 2016-04-23 3000 × 1987 JPEG 1.5M