On the verdant green machair, beside the golden sands of Scarista Beach, sits a decaying old bus with a rather unusual tale to tell. For those who investigate, it quickly becomes apparent that this is no ordinary abandoned hulk. It was once a home from home, a place of adventure where memories were made and stories told. This particular story starts in January 2005, when a ferocious storm battered the coastline. The hurricane-force winds destroyed a caravan used by the local Western Isles Scouts groups for weekend adventures in and…