February 8, 2013
Dissolved limestone in water dripping from cracks in the ceiling created this formation in the last 200,000 years.
Stories this photo appears in:
Lost Worlds in the living dark
The lost sloth and the vast silence offer a glimpse of extinction and persistence in Kartchner Caverns
I drop back from my little group of amiable explorers, all the way back to where the state park minder watches me warily lest I extend my hand toward the damp, warm, misshapen tissues of stone, which hunker like goblins along the path.
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