The main choice was to complete the block with a building which might serve in volumetrical discontinuity with the surrounding buildings.
A unique building suspended on massive arches that rises to the archaeological plane. The enhancement has not given by the parties of matter unearthed but by the spatiality.
Thus the division of the library space is defined by the vacuum formed by the abutments of the old streets. Here are the space distribution and horizontal flights of stairs.
Externally a curved curtain wall is described as browse the pages of a book.
Below this, a continuous base glass as a base interrupted by vertical windows on the projections of the carduum and the decumanum. This area is configured as a cross and it is characterized by the continuous vacuum in which suspended passages raise among the buildings and unhomogeneous extensions of the spaces of service to the reading.
The reading room is designed as a large continuous space with skylights and spaces that overlook a large central space like an amphitheatre.