...the compositional approach of the Archivio di Stato has the following objectives: a) a longitudinal architectural organization that, by placing itself as a "isotropic unity of space", connects elements as "man", "city" and "nature" (nature-history) through the rigorous application of spatial techniques of the three figurative arts. b) the functional unity of the three figurative arts, as a consequence of the first objective. The longitudinal section and the plan show the longitudinal development of the form in the building through the iteration of the base sign and the way it shapes and forces other spatial events; rebuilt nature , bases , the  cube , the doric rotunda , towers  in the central part, the  tricora  ( three apsis room ), the great paintings  on the outside walls. In that conception the ground line loses its inevitability and its fatal inflexibility becoming a "logic plan". This logic plan defines two...