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Caves throughout south-central Indiana show limestone in a different light

Indiana caves

Tour guides take visitors 500 feet into upper twin cave. (Timothy David Jagielo / WNIN)

The cave systems throughout south-central Indiana are a delicate subterranean world and cave tours can show limestone, an important regional export, in a different light.

Join Indiana Public Broadcasting's Tim Jagielo on this video feature:

 

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