Orbit Tower (ArcelorMittal Orbit) #11
Nov/2011. Sculptor: Anish Kapoor, Structural Designer: Cecil Balmond, Architecture: Ushida Findlay Architects (UFA), Design and Engineering: Arup.
This is about it then, externally. Olympic Park, London Borough of Newham.
(CC BY-SA which means anyone can freely use any size of this image anywhere, provided accompanied by the credit — Image: George Rex).