Mine Kapfnach
The mine Kapfnach is a former lignite - and marl - mine in Horgen inside the canton of Zurich in Switzerland. With a total tunnel duration of 80 km, it's far the biggest of its type in Switzerland. The mine
The mine Kapfnach is a former lignite - and marl - mine in Horgen inside the canton of Zurich in Switzerland. With a total tunnel duration of 80 km, it's far the biggest of its type in Switzerland. The mine