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Designers also need to undertake further investigations to enrich their understanding of how different city users interact with the environment in their everyday lives, and what kinds of spaces they truly need. Carr, Francis, Rivlin and Stone (1992) have stated clearly that when designs are not grounded in understanding, “they may fall back on the relative certainties of geometry, in preference to the apparent vagaries of use and meaning” (p. 18).
— Guerrilla Wars in Everyday Public Spaces: Reflections and Inspirations for Designers. An academic study of Hong Kong public spaces for designers.