The rue Mercatoris, once the gypsum path.
The street used to be called 'Gipswee'. One entrance to the old gypsum mines of Walferdange lay here; in all, their tunnels ran for 16 km under the hill.
Lines
Sources
- Walfer Gipsgrouwen Wikipedia (Lëtzebuergesch)
- Helmsange Wikipedia
This text was written with the help of AI from the sources above and checked against them.