We travelled as far North and as far West as you can in Britain, and we found the oldest mystery cast in stone. I have so much to tell and share, but for now this is a tiny taste of the delights we have been surrounded by for the last week. This is an evening shot of the beautiful and enigmatic Callanish stones, which sit on the west of the Isle of Lewis. Built 500 years before Stonehenge, they dwarf the more famous site in size, presence and setting. I hope you enjoy the peep.