IMG_0641 Silver mines exploited between 602 and 995. Silver was usd to make coins. Lead was also exploited.
Silver mines exploited between 602 and 995. Silver was usd to make coins. Lead was also exploited.
IMG_0646 Many minerals and metals beyond lead and silver are present in the galleries.
Many minerals and metals beyond lead and silver are present in the galleries.
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IMG_0659 Water infiltration in the mine.
Water infiltration in the mine.
IMG_0660 Water infiltration in the mine.
Water infiltration in the mine.
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IMG_0669 Fossiles.
Fossiles.
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