Most of the visitors of the thousands of show caves around the world spend around an hour enjoying a visit to a series of exceptional places, with a unique natural and cultural heritage. Most likely, this visit is the first time they come in contact with the underworld; and, in many cases, it may also be the only time they do it in their lives. Surprisingly, almost all underground tourists are satisfied with their visit to a show cave, although they are not aware that this satisfaction can go far beyond the limited time dedicated to their tour if they prepare properly for it.
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