The Arena Flegrea in the Mostra D'Oltremare in Naples, build, demolished and re-build, a faschinating and unique architectural case-study in contemporary architecture.

Implementing the works' knowledge which build the trace of the precious cultural heritage of Italian and Neapolitan modern architecture, appears to be the first step towards the enhancement of itself. To this purpose, it looks interesting to have a closer study of the Arena Flegrea, one of the most emblematic architecture works of Neapolitan's contemporary architecture. The Arena is an unique historical study object, and for certain reasons it has to be considered extreme, as it has been built, demolished and re-built in only 50 years by the same author, architect Giulio de Luca, renowned architect in the wide range of the second half of the 20th century's Neapolitan architecture. In the following paper, the many versions of the Arena Flegrea will be introduced and studied, artwork wich completely resembles the figure of an architect such as Giulio de Luca, rich of complexity and genius.