Millions of years in the making, underground caves sustain delicate ecosystems that are rich in biodiversity. In this short film by Drew Perlmutter, explorers of the vast cave networks in the southern United States explain the importance of preserving these subterranean worlds.
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To learn more about cave conservation, visit http://www.scci.org.
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Explore the Hidden and Fragile World Inside Caves | Short Film Showcase
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