Join a team of explorers as they descend into the depths of Arizona's Kartchner Caverns. Discover how a slow drip of water built this cave over eons,…
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Join a team of explorers as they descend into the depths of Arizona's Kartchner Caverns. Discover how a slow drip of water built this cave over eons, and why researchers say it's "alive."
Join a team of explorers as they descend into the depths of Arizona's Kartchner Caverns. Discover how a slow drip of water built this cave over eons, and why researchers say it's "alive."
