Many of the etchings resemble human beings, which researchers infer are depictions of underworld spirits.
seen in the Southwest’s canyon walls or rock formations, ancient rock art in the Southeast was often done deep inside caves because Native Americans viewed the sacred spaces as pathways to the underworld.
A small stream flows out of the cave’s entrance, which is about 32 feet tall and 50 feet wide. Years of this flowing water explain the absence of any artifacts or etchings. Beyond the entrance is a large chamber — and further beyond, the cave winds into three miles of underground passageways.The chamber where scientists first observed cave art, in the late 1990s, had an extremely low ceiling. Researchers crawled or crouched just to get through and the tightest spots were only two feet tall.
To study the 19th Unnamed Cave, the researchers spent two months taking 16,000 photographs. Their software allowed them to not only recreate the cave in three dimensions, but also to move the distance between the floor and the ceiling. When they lowered the cave floor, a wider view of the ceiling opened and the researchers were able to see hundreds of etchings that were not visible in person.
During their fieldwork, the researchers also collected several pieces of pottery shards from the cave floor. These helped them date the cave art to the middle- to late-Woodland period, which spanned from around 1000 B.C. to A.D. 1600. They were not, however, able to identify the anthropomorphs, which didn’t correspond to any recorded oral histories or previously documented archeological materials.
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