Genevieve von Petzinger: Why are these 32 symbols found in ancient caves all over Europe? (Q23663983)
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TED Fellows Retreat 2015
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Genevieve von Petzinger: Why are these 32 symbols found in ancient caves all over Europe? |
TED Fellows Retreat 2015 |
Statements
20 November 2015
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