A team of experts hope to shed new light on one of Nottinghamshire's most mysterious ancient monuments.

A 'Thing', or open-air meeting place where Vikings gathered to discuss the law, was discovered in the Birklands, Sherwood Forest, five years ago.

In January 2011 experts plan to survey the hill and see if they can detect signs of buried archaeology and the extent of the site.

The site was found by three local historians after a treasure hunt....