In the middle of the forest in Torstuna, north of Enköping, the trolls have built a staircase through the mountain. That's what it looks like anyway. The magic staircase is, from a scientific point of view, a diabase passage that has partly weathered out and formed a gorge in the 4-5 meter high slope. For the visitor, it is a short, fun climb up or down the narrow stairs, which amuses […]