Unusual And Unbelievable Underground Places
Wednesday, Aug 19, 2020, 2:27 pm
By:
Tony Williams
#9 Radon Health Mine - Montana, US
Lead ore and silver mining was done in the Radon Mine in 1924, before it was abandoned. However, in 1949, when radioactivity was found to have cured a woman of her ailments when she entered the cave, it soon became a radon therapy mine. People actually sleep there, and come out feeling better.
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