The S.A. Grottes de Han has released a movie on the laboratory (in French, with Dutch under-titles): see Lorette: the movie (low definition, 50 MB) or Lorette: the movie (high definition, 950 MB)
The S.A. Grottes de Han has released a movie on the laboratory (in French, with Dutch under-titles): see Lorette: the movie (low definition, 50 MB) or Lorette: the movie (high definition, 950 MB)