Horse Cave, Kentucky — The comeback story of the small southern Kentucky town of Horse Cave began far below its streets in the Hidden River Cave, which for decades wasn't the place of wonder it is now, but a waste dump.

"Everybody was sick of the smell," former Horse Cave Mayor Sandra Wilson told CBS News.

Wilson remembers when the cave was part of the sewer system. And yet, surprising as it may seem, her desire to modernize the sewer system's infrastructure and clean up the Hidden River Cave was met with fierce resistance.

"We had a lot of people who were wary of rising sewer prices," Wilson said. "The goal was to create the sewer system to clean up the mess. Period."

While the people in town fought over sewers, David Foster of the American Cave Conservation Association had a solutio

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