Original sentence: Evidence of prehistoric activity in the area is centred around Ashton Moss – a  peat bog – and is the only one of Tameside's 22 Mesolithic sites not located in the hilly uplands in the north east of the borough
Edited sentence: Evidence of prehistoric activity in the area comes from Ashton Moss – a  peat bog – and is the only one of Tameside's 22 Mesolithic sites not located in the hilly uplands in the north east of the borough