Souterrains, le monde creusé par l'homme. Jérôme et Laurent Triolet. Carrières souterraines, champignonnières, villes souterraines, souterrains-refuges, habitats troglodytiques, tunelles de guerre, souterrains cultuels, catacombes.

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Ritual and religious underground passages (France)


A few underground passages in France have not a refuge function. Their role seems more religious in connexion with rites, worship and secrete practices. The enigmatic ring shaped underground are the most numerous and sometimes they are connected to churches or springs.


Grottes de Ferrand

Ring-shaped undergrounds




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