ღღ Looking Up the Rookery Building Spiraling Staircase - Chicago ~~~~ The spiraling staircase at the Chicago Rookery Building. It was finished in 1888 by John Wellborn Root and Daniel Burnham. It is the oldest still-standing skyscraper in Chicago.
The centre of the Recycled Water Silo residential building! MVRDV Converts Twin Silos into Gemini Residences on Copenhagen’s Waterfront Gemini Residences-MVRDV – Inhabitat - Sustainable Design Innovation, Eco Architecture, Green Building