Stonehenge may be one of the world's most well-known ancient sites, but much of its story is still unknown. Even after decades of research, the monument's true purpose remains one of archaeology's biggest unanswered questions.

However, a new discovery may provide some answers. Researchers recently identified at least 20 enormous pits arranged in a "near-perfect ring" around Durrington Walls—another landmark within the Stonehenge World Heritage site. Here's an overview of the discovery and what it could mean.

Archaeologists Have Uncovered Hidden Pits Beneath Stonehenge

A Lidar view of Durrington Walls and Woodhenge in Wiltshire, U.K.

In a recent study published in the journal Internet Archaeology , researchers delved further into the discovery of a ring of enormous pits surrounding

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