GRAND OPENING UNDERGROUND MINE "JOHANNA"
- Musée DeLArdoise
- Oct 29, 2022
- 1 min read
Updated: Nov 5, 2022
On 15th & 16th of October, the Slate Museum celebrated its long-awaited grand opening of the new underground mine "Johanna". Here under, find some pictures of the inauguration and let yourself get carried away by this fascinating underground world:
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