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Mysterious green rocks in Pyrenees cave hint that people were working copper there for 4,000 years
Dozens of pieces of bright-green rock discovered in a cave in the Pyrenees may be evidence of copper smelting 7,000 years ago ...
Morning Overview on MSN
Green rocks found in a cave in the Pyrenees prove humans were smelting copper 7,000 years ago
High in Spain’s eastern Pyrenees, inside a cave that overlooks the Nuria Valley from 2,235 meters above sea level, ...
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