Copper cube collected from the site. Makaha, Zimbabwe. Photo © by Chris Dunbar

Copper cube collected from the site. Makaha, Zimbabwe. Photo © by Chris Dunbar

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Copper cube collected from the site. Makaha, Zimbabwe. Photo © by Chris Dunbar

Copper cube collected from the site. Makaha, Zimbabwe. Photo © by Chris Dunbar

This post is also available in: French German Italian Spanish Dutch Indonesian Polish Portuguese (Portugal)