![This photo provided by researchers shows Kalambo Falls in Zambia in 2019. A pair of crossed logs found on a riverbed nearby may be the oldest evidence of early humans building with wood, nearly half a million years old, according to a study published Wednesday, Sept. 19, 2023 in the journal Nature. (Geoff Duller/Aberystwyth University via AP)](https://hagadone.media.clients.ellingtoncms.com/img/photos/2023/09/20/AP23262741615812_t1170.jpg?5cc718665ab672dba93d511ab4c682bb370e5f86)
This photo provided by researchers shows Kalambo Falls in Zambia in 2019. A pair of crossed logs found on a riverbed nearby may be the oldest evidence of early humans building with wood, nearly half a million years old, according to a study published Wednesday, Sept. 19, 2023 in the journal Nature. (Geoff Duller/Aberystwyth University via AP)
September 20, 2023
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![This simple log structure may be the oldest example of early humans building with wood](
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September 20, 2023 11:25 a.m.
This simple log structure may be the oldest example of early humans building with wood
It's nearly half a million years old and provides a rare look at how ancient human relatives were working with wood and changing their environments