The following elements should be included in the diagram: Vertical distribution: Display representative materials of different stages of social development history such as the Stone Age, Bronze/Iron Age, Steel/Fossil Age, Carbon Black Reinforced Rubber, Silicon-based/Composite Age, and Smart/Nano Age Horizontal distribution: Display the application of current information tech, biotech, nanotechnology, etc., popular AI, etc., and display representative pictures Then design the background to make it harmoniously integrated See more