As you may have read elsewhere on our website, the Ness of Brodgar really is one of the most impressive and inspirational archaeological sites in the world.  To start to come to terms with its complex structures, and hundreds of beautiful but mysterious carvings, you need an expert guide.  During the summer, when the dig is in full swing, there's a team of enthusiastic folk to help you see past the piles of stones to the amazing civilization lying underneath.  But in the long dark days of winter, when the site is covered up to protect it from the Orkney wind and...