Fig. 11

Georeferenced plan of the location of the catacomb area and the two graves of the San Francisco Church. VIEW 1: You can see the interior wall and its niche, with the ventilation holes on both sides. VIEW 2: The floor is made of stone, the walls of the vault are made of stone masonry with lime mortar, and the vault is made of bricks with lime mortar. VIEW 3: You can see the reinforcement structure installed to avoid vault collapse (Source: the authors)