The hedge follows the curves of this Piers Gough building. It also responds to the City Hall in the landscape beyond, while providing a backdrop to the circular water feature. The sandstone floor is suspended prooviding a flat roof garden terrace, while the lighting, irrigation and water feature are operated via a remote control. Click image for close-up / enlarge for sculpture.

SE London, 32m2, 5th floor. An architectural roof garden terrace.