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At Diepkloof Rock Shelter in South Africa, about 60,000 years ago, people engraved the same few geometric patterns on ostrich-eggshell water containers over generations: marks shared by a community.
The mechanism
A PATTERN HELD IN COMMON
How it was checked
- EvidenceT6 PHYSICAL / OBSERVATION; Status: ADDED 2026-09-19
- Letter eraTHE DECLARATION AND THE DEEP RECORD the awakening to Babel: dated by ruling and by the record, placed by story where the text gives no date
- SourcesARCHAEOLOGY — Texier et al., PNAS 107:6180–6185 (2010)
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