Design concept: We create a building with a new life model, extend the scope of human life upwards and leave the land to nature, and use the concept of tool sheds to preserve human industry development. Process: modular design building,Every building is a tool shed,Every industry is a tool. Dividing industries into agriculture, heavy industry, and service industries and planning residential areas among them not only preserves the survival function of human beings, but also returns the land to nature.