The original concept is the door, that is, the trilithon that harks back to classical times, and it is in it that the "monument" takes shape, not in solidity but in emptiness. The Palace of Justice is divided into the Courthouse, the Court of Appeal, and the related offices of the Carabinieri, Fire Brigade, Guardia di Finanza, and State Police. This subdivision into volumes is almost naturally arranged to be "stacked" like a Lego block, then
hinged by the double vertical distribution system.