The work deals with a survey of the technologies peculiar to Spatial Augmented Reality and what the applications are in the field of cultural heritage, with a focus on Augmented Reality technologies and on virtual restoration.

The case study examined is the Centopietre monument in Patu. A fundamental part of this study was the in situ analysis of the frescoes, survey and photographic documentation. The second step was the search for sources, which led to the discovery of the collection of watercolors by Pietro Cavoti kept at the "P. Cavoti" Civic Museum in Galatina. This made it possible to think about carrying out a digital restoration on the frescoes that today remain visible only thanks to a few details. After reconstructing the frescoes, storytelling and storyboard were structured that could both tell the story of the legend and highlight the digital reconstruction of the saints.