Archaeologists have found The second henge -- which means a circular, ceremonial monument dating to Neolithic and Bronze Ages -- is about a half-mile (900m) from the ancient stones on Salisbury Plain in Wiltshire.
From above the discovery looks like any green field, but using ground-penetrating radar, experts say below the turf lies a circular ditch containing 22 holes from wooden posts that have long rotted away.
Inside the circle, are the remains of a burial barrow, which appeared much later and may have been excavated in the early 1900s.
The 'wooden Stonehenge' was uncovered just two weeks into a three-year project, led by the University of Birmingham and the Ludwig Boltzmann Institute in Austria.
Its aim is to map the area around the World Heritage Site for signs of villages or any other structures.
Professor Vince Gaffney, from the university, said: "It will completely change the way we think about the landscape around Stonehenge.
"People have tended to think that as Stonehenge reached its peak, it was the paramount monument, existing in splendid isolation.
Published July 22, 2010| SkyNews
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