Work sparked by young archaeologists 20 years ago has led to the discovery of evidence of human activity dating back 8,500 years.Fragments of Roman pottery and flints, along with animal and human bones, as well as evidence of graves have been uncovered in the Worcestershire field.But the "really rare" Mesolithic era evidence might still lie hidden, were it not for a field walk in 2004, by children in the county's Young Archaeologists' Club."This even goes back to potentially before this island became an island – during the 'Mesolithic' era, that is when Britain became what it is today," said Nina...