860-880, which was built between 1949 and 1951, consists of two 26-story, exposed steel and glass apartment towers set at right angles on an irregular travertine plaza. Based on ideas and theories Mies had been perfecting since his earliest days as an independent architect in 1920s Berlin, the buildings redefined highrise living for the post-war generation.
via Dezeen » Blog Archive » 860-880 Lake Shore Drive refurbishment by Krueck & Sexton.