One of the massive pumps that kept the Samson Pit in
#SanktAndreasberg - once the deepest mine in the world - free of water.
Since learning more about historical
#mining , I have come to the conclusion that the typical "old mine" dungeon complex in
#DnD and other
#ttrpg don't give enough thought on how to keep the water out.
#history #engineering #Harz