Built 4,500 years ago by hundreds of people, the Neolithic site of Stonehenge in southern England is the subject of a new exhibition that opens at the British Museum, with objects of all Europe telling about the world that Stonehenge was built in. Archaeologist Neil Wilkin hopes it will help to shed a new light on Stonehenge, its builders and connections to other parts of Britain and Europe. IMAGES AND SOUNDBITES