***This location is now sealed***
Today we visit a place that few know of and fewer have been able to visit. Originally this was two separate sets of tunnels that where dug in the 1800's but d...
DI Karlheinz Klement interviewt die Autorin MinR Mag.a Monika Donner. Anhand einer Power-Point-Präsentation werden die relevanten Fakten auf den Tisch gelegt.
Über die Autorin:
