I actually did not go on the tour. They allow refunds if you decide not to go after you see the first set of steps. I looked down at a shaft of about 200 feet with narrow and steep steps and called it a day. I was refunded my money. The family went on the 45-min tour and exited saying it was fun and interesting. They, knowing me, said I made the right choice because it was very steep and tight. Temp in there is 40-50 degrees, too.
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