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On July 7, 1990, Hans Martin Köster documented a detailed exploration of the Maxstollen in Briloner Eisenberg. Production and camera by Hans Martin Köster, editing by Christoph Köster. Link to online chronicle included.
On July 7, 1990, Hans Martin Köster documented a detailed exploration of the Maxstollen in Briloner Eisenberg. Production and camera by Hans Martin Köster, editing by Christoph Köster. Link to online chronicle included.
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