This is an image of the Lloyds Building in London also known the "inside out building" as an architectural building this is unique in London as all the piping is on the exterior of the building.The building is a leading example of radical Bowellism architecture in which the services for the building, such as ducts and lifts, are located on the exterior to maximise space in the interior. https://en.wikipedia.org/wiki/Lloyd%27s_building