The structure of interlocking logs was found near a towering waterfall. The logs are about 476,000 years old.
World's oldest wooden structure discovered in Zambia, dating back 476,000 years, archaeologists say - ABC News
PDF) The Oldest Man-Made Wooden Structure Found in Zambia & The Ideas of Rick Doble: who predicted the use of right-angle structures in the Lower Paleolithic
Archaeologists in Zambia Have Found the World's Oldest Wooden Structure, Which Dates Back Nearly Half a Million Years
World's Oldest Known Wooden Structure Found in Zambia » Explorersweb
Oldest wooden structure' discovered on border of Zambia and Tanzania, Archaeology
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Log structure may be oldest evidence of early humans building with wood
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World's oldest wooden structure '476,000 years old' discovered in Zambia - Arkeonews
Half-million-year-old wooden structure unearthed in Zambia