MEGABUILDINGS :
Megabuildings are kilometer long and large buildings that can be used for housing, manufacturing facilities (factories) and indoor farming industry, it can store a nuclear power plant and generate revenues.
It can work as a city, offer an airport opening in the building.
It can be run by the state (public investment) or it can be run as a company (private equity), it should be profitable passed the building, water, salaries and maintenance costs.
It works as une synthèse of existant infrastructures