Visualizzare un frammento di città non più esistente: la ricostruzione virtuale dell'Esposizione Nazionale del 1928 a Torino

The use of new digital technologies is even more linked to the study and the transmission of the Cultural Heritage. The proposal focused on the procedure of digital products in order to visualize architectures no more existing, with the aim to give possibility of fruition and knowledge of a heritage not visible in other ways. The paper is on the case study of the National Exhibition of 1928 in Turin, which has represented the topic of survey and application of some of these technologies on the transformation of a piece of the city no longer existing. The working method tested looks to the problematics of the visualization and representation, unavoidably linked to the one of the interpretation of the sources of a research in the fields of the history of architecture and the urban history. Tridimensional models, videos and an ipermedial platform are some of the used instruments.