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juergen_hubert The shaft entrance building of the #mining museum in #SanktAndreasberg . This is part of the Samson Pit complex, which, with a depth of more than 800 meters, was once the deepest mine in the world. #history #engineering
juergen_hubert The shaft entrance building of the #mining museum in #SanktAndreasberg .
Show moreThis is part of the Samson Pit complex, which, with a depth of more than 800 meters, was once the deepest mine in the world.
#history #engineering