Mies van der Rohe designed the German Pavilion of 1929 Barcelona World Expo, which embodies his design concept of "less is more".

2. "Less is boring" is what Venturi said, which stands for "postmodernism".

American architect robert venturi is a representative of post-modernism design. He put forward the view that "less is boring" and advocated using decorative symbols to express personal feelings.

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Smith's "less is more" embodies a reductionism and functionalism. He believes that design only needs to consider the function, and when this function is obtained, the product will naturally acquire a form, which is the so-called "formal natural acquisition method".

By advocating "function is the best form", design can get out of the vicious circle of elitism and become a democratic design serving the public.

Venturi's "Less is Boredom" holds that designers should also express human emotions when creating a certain use function. Art expresses feelings and emotional activities through its own special language, and design also conveys its deep cultural meaning through its own language-materials, colors and shapes.