This is the best tl;dr I could make, original reduced by 78%. (I'm a bot)

> A team of researchers affiliated with several institutions in Spain, working with two colleagues from France and another from Germany has discovered an Obsidian handaxe-making workshop from 1.2 million years ago in the Awash valley in Ethiopia.

> More information: Margherita Mussi et al, A surge in obsidian exploitation more than 1.2 million years ago at Simbiro III, Nature Ecology & Evolution.

> Citation: Obsidian handaxe-making workshop from 1.2 million years ago discovered in Ethiopia retrieved 26 January 2023 from https://phys.org/news/2023-01-obsidian-handaxe-making-workshop-million-years.

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