C is for Crag and TailA Crag and tail is a type of hill caused by glaciers, huge rivers of ice which used to flow across our landscape. Watch the video below to get a quick intro to glaciation near to Dynamic Earth.ActivitiesLearn more about glaciers and how they changed the landscape here. Come to Holyrood Park and search for some glacial boulders or erratics. There’s more information here! Edinburgh Scavenger Hunt Photo: Castle RockGeneral Scavenger Hunt Photo: The biggest hill in your local area. Is it a crag and tail? Let us know what you think! Don’t forget to tag us in your scavenger hunt photos to enter our prize draw at the end of the holidays!