Cities II: In support of megastructures: A scheme to bring people and their jobs back together again by constructing a multipurpose metropolis-under-one-roof

Scratch an architect or a city planner of note and he'll be glad to give you his philosophy for the ideal city of the third century of the U.S., complete with all of its ramifications: fuel and energy conservation; optimum mass-transit systems; ideal communications; and a milieu in which human needs, aspirations, creature comforts, leisure, and convenience are paramount considerations.