like seat will be one, will be in the underground, will be heating systems, the electric generators, the piping systems, recycling systems, then, after that, the next layer which serve as first layer that contains the architecture, the foundations for all the buildings, and after that, the erection of structures up from their foundations, starting with the central portions of the city, working it's way out of the different radial sectors, and then how to define all housing sectors, and then to the agricultural belt, and then to the recreation areas. 