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... It started after husband and wife team Lynda Mallett and Stuart Reddish, along with their friend John Wood, came into possession of a 200 year old document. It described a walk around part of Sherwood Forest which marked an ancient boundary. They searched for the boundary on the landscape and found a place called Hanger Hill on which stood three...