
Secondary Shafts
2026/8/30 dangerous (snakes, traps, collapse) In addition to the large open mining areas and the more than 600 km of interconnected mine shafts, there were numerous smaller mines. Some may extend only a few metres into the hillside, while others can run for several hundred metres. They were often quite small and, in some cases, uncomfortably cramped. We have been inside shafts like these, but we had little desire to crawl through the dampness on our hands and knees. Judging from the footprints, it seems that someone has recently been trying to get in. Here the passage splits. This tunnel leads








