β€œIsis in Paris”: notes on the hermetic symbolism of the Notre-Dame Cathedral

Pulling the strings from Fulcanelli's studies ("The mystery of the cathedrals"), we go to the discovery of the occult symbolism of the most important French Gothic cathedral, a figured "stone book" that in the portals, in the stained glass windows, in the statues is presented as a rare collection of alchemical symbols with multiple mystical, religious and philosophical meanings.