Sometimes you come around a bend in the Burren and a scene like this confronts you: winter sun just edging out from under clouds and a valley full of dazzling golden light, where moments before everything was grey and dark. This was taken on October 30th, the day before Hallowe'en or Samhain as it is called in Ireland. Samhain is one of two days in the Celtic year when the gateway between worlds is open and a careless traveller may pass into the fairy realm of the Tuatha de Danaan...