Why Sketch? An Essay from Field Notes on Science and Nature by Jenny Keller What you have observed closelyA single imageParallel refinementColor reproductionThe negative spaces+4 More Conversational drawingThe Beauty of the Overlooked
Each element performs many functions Each element in the system should be chosen and placed so that it performs as many functions as possible. Bill Mollison, Introduction to Permaculture The multiplicity of living patterns function