unknown
March 6, 2026
The country with 360,000 bunkers also hides this wonder: Underground there are a hospital, warehouses and kilometers of tunnels
In the mountainous part above the village of Sent Margretenberg, near the famous spa town of Bad Ragaz, lies the underground fortress Festung Furggels.

TL;DR
- Festung Furggels is an underground fortress.
- It is located in the mountains above Sent Margretenberg.
- The fortress is near the spa town of Bad Ragaz.
- It includes a hospital, warehouses, and kilometers of tunnels.
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