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Opis:
Our tour into a Gouffre in the Jura region in eastern France. The main chamber is more than 120m long, 70m wide and more than 70m high! It is only accesible from a slot from above where the ceiling once collapsed and gave acces to this giant hall. The vertical distance from above to the highest point of the cave-floor is 85m of abseiling and that's only the highest point in the hall!
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