Reeds (IMAGE) University of Cambridge Caption Until the 1600’s, the Cambridgeshire Fens was a low-lying swamp, covered with reeds and sedge Credit Jacqueline Garget Usage Restrictions With credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.