The surveys carried out in 2016 once again help to improve knowledge of the architecture of the works, particularly in the area where the film is exploited. It is now confirmed that it has been exploited at an indefinite depth, as it is partly backfilled from several layers of superimposed galleries drilled along the line of the film. A set of fragments found in the porch poll in 2014, cleaned and stabilised in 2015 by...