I would not bother going to see one, though they are not what most people would expect.
People doing this are also doing these things:
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lob is enjoying 2 weeks of time off from activities...
the most modern underground mine in the world. It was very educational. Despite my usual feelings of claustrophobia underground, this was no problem. It’s so huge and modern, not at all scary. I enjoyed learing about iron ore (magnetite) and how they’re supplying the world with it.
