Stonehenge
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Hidden complex of monuments found at Stonehenge site

10 September 2014 Last updated at 20:02 BST

Scientists have discovered a hidden complex of archaeological monuments at Stonehenge, challenging the modern impression that it stood in isolation.

They found the previously unknown structures when they scanned a wide area around the site, to a depth of ten feet.

They also discovered evidence of up to 60 huge pillars within the mile-wide site at nearby Durrington Walls, and a wooden burial house 3,000 years older than Stonehenge.

Duncan Kennedy reports

Operation Stonehenge: What Lies Beneath starts on BBC2 on Thursday September 11 at 20:00 (except in Scotland).