Anyone who thinks that an approx. 1m hole in the slate rock (of which there are some on the route of the dream path "Nette-Schieferpfad") is a highlight worth seeing, …
Once covered by a meter-thick layer of pumice, the 1,700-year-old tuff tunnels and shafts are now protected under the cantilevered hall construction of the Meurin Roman mine. The original traces …