(AP) -- Archaeologists have discovered a smaller prehistoric site near Britain's famous circle of standing stones at Stonehenge.
Researchers have dubbed the site "Bluehenge," after the color of the 27 Welsh stones that were laid to make up a path. The stones have disappeared, but the path of holes remains.
Researchers from Sheffield University in northern England say the new circle represents an important find. The site is about a mile (2 kilometers) away from Stonehenge, which is believed to have been built around 2500 B.C.
Bluehenge, about 80 miles (130 kilometers) southwest of London, is thought to date back to the same period, but the exact circumstances of Bluehenge's construction aren't clear.
Researchers plan to publish more information about it next year.
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