Workers discover ancient 'snake' An aerial view of the 4000 year old 'Rotherwas Ribbon' Diggers constructing a new access road have uncovered a mysterious serpent-shaped feature, dating from the early bronze age. The 197ft (60m) long ribbon of stones, found in Rotherwas, near Hereford, is thought to date from the same period as Stonehenge, roughly 2000 BC. County archaeologist Dr Keith Ray said as far as he is aware the stone feature is unique in Europe. "We can only speculate it may have been used in some kind of ritual," he said. 'International significance' The Rotherwas Ribbon, as it is...