Dartmoor was 'shaped by glaciers'
15 June 2012 Last updated at 16:34 BST
Ice age glaciers helped shape Dartmoor, new research has found.
A study by the universities of Durham, Exeter and Stockton Riverside College said the Devon moor had valley glaciers at its centre, and an ice cap.
The research contradicts a previous belief that such ice did not form in the area.