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Guided tour in the Brünig Rock

About 120'000 m3 extracted rock turned our fascilities to a fascinating place in the underground. Discover our the tunnels and underground caverns. mais

Chillon

Guided tour in the Brünig Rock

About 120'000 m3 extracted rock turned our fascilities to a fascinating place in the underground. Discover our the tunnels and underground caverns.

About 120'000 m3 extracted rock turned our fascilities to a fascinating place in the underground. Discover our the tunnels and underground caverns.