“At the very least, they’re putting a huge amount of effort into this place,” he said. The wooden structure has no real parallel in the archaeological record, according to the study.

Researchers have unearthed the oldest known wooden structure in Zambia, and it’s almost half a million years old, according to a new study.

(CNN) — Archaeologists have unearthed the oldest known wooden structure, and it’s almost half a million years old.