Logs shaped with sharp tools on border of river predate rise of modern humans and may have formed walkway or platform
Researchers have discovered remnants of what is thought to be the world’s oldest known wooden structure, an arrangement of logs on the bank of a river borderingThe simple structure, made by shaping two logs with sharp stone tools, may have formed part of a walkway or platform for human ancestors who lived along the Kalambo River nearly 500,000 years ago.
“It could be part of a walkway or part of a foundation for a platform,” he said. “A platform could be used as a place to store things, to keep firewood or food dry, or it might have been a place to sit and make things. You could put a little shelter on top and sleep there.” Other wooden items included a wedge, a split branch with a notch that may have formed part of a trap, and a log cut at both ends. “It might be a work surface, like a Black and Decker workbench,” Barham said of the log.
The site probably contains more ancient wooden objects, and Barham said the priority was to work with the Zambian government to get Kalambo Falls recognised as a Unesco world heritage site.
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