On the spot were the famous norwegian painter Edward Munch made his portrait of the scream you find this fence of gas pipe fittings. On the painting you see a fence also. If it is the same I don't know.
The Scream on the spot ( picture from wikipedia)
As a memento the norwegian gouvernement placed a bronze plaquette of the Skrik as the scream is called in norwegian. All this in the neighbor of Oslo.
One for friday fences here.