This is a masterpiece collection of SF illustrations. Humans have become cyborgs and mechanized, and are connected to a gigantic city of machines that can be described as limitless, giving them god-like intelligence. In this city, computers are built into the very fabric of the city, and as the city multiplies itself, the computers will grow proportionately and have more computing power. And the computer city, which continues to grow in size, creates an infinite number of cyborgs to defend and maintain the city, and they are placed in various places in the computer city to eliminate intruders to the computer city and engage in the construction of the city. .