Architecture has to be developed from the dialectic of the imaginary Utopia and the limited opportunities available tor realization. In the resolution of these two opposites can be found the great difficulty as well as the fascinating challenge of creating architecture - the building realized functions as the medium which has lo communicate the content of the intellectual concept. Decisive in this process is that the medium has its own life, for suddenly the structural characteristics of an intellectual, abstract composition are joined by influences from the laws of nature and the production process.