London – Archaeologists have discovered a wide circle of deep pits surrounding an ancient settlement near Stonehenge, opening up new lines of investigation into the origins and meaning of the mysterious, prehistoric monument.
Among Britain's most recognizable landmarks, the standing stones at Stonehenge draw tourists from around the world as well as people searching for spiritual connections with the past. Their exact purpose remains unknown to scientists.
The new discovery, by a team of archaeologists from several universities, shows a 2-kilometer (1.2-mile) wide circle of shafts surrounding a settlement at Durrington Walls, which also included a henge, or circular structure, made of timber posts.
The site is located about 3.2 km northeast of Stonehenge and evidence suggests the pits date back to the same period, some 4,500 years ago.
"As the place where the builders of Stonehenge lived and feasted, Durrington Walls is key to unlocking the story of the wider Stonehenge landscape," said archaeologist Nick Snashall of the National Trust, the body that runs the Stonehenge site.
"This astonishing discovery offers us new insights into the lives and beliefs of our Neolithic ancestors," he said.
The circle of pits is significantly larger than any comparable prehistoric monument in Britain. Researchers have found 20 shafts, but estimate there may have been more than 30 originally. Each one is about 5 meters deep and 10 meters across.
The discovery was made without the need for excavations, using remote sensing technology and sampling.
The archaeologists said the precise and sophisticated way in which the pits were positioned suggests that the early inhabitants of Britain used a tally or counting system to track pacing across long distances.
"The size of the shafts and circuit surrounding Durrington Walls is without precedent in the U.K.," said Vince Gaffney, a professor of archaeology at the University of Bradford and one of the lead researchers on the project.
He said the discovery demonstrated "the capacity and desire of Neolithic communities to record their cosmological belief systems in ways, and at a scale, that we had never previously anticipated."
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