There's a new series on the BBC about the Orkney Islands' place in Prehistoric history and its underappreciated influence on the rest of Neolithic Britain and Europe. Would highly recommend watching this if you have access to the BBC. Britain's Ancient Capital on iPlayer: http://www.bbc.co.uk/iplayer/episode/b087vh70/britains-ancient-capital-secrets-of-orkney-episode-1 Music: Inspired - Kevin MacLeod