They were about a quarter of the way around the circle. Her audio guide had already informed her about the Aubrey Holes behind them and the origins of the various stones before them. Now it was telling about the Avenue and pointing out the processional way that once ran between the River Avon and Stonehenge. Sophie’s imagination picked it out as it ran across the Salisbury Plain and disappeared over a rise. Shadows danced here and there along the way, as if confirming her vision.