When a cycle tour becomes a night hike…

"Are there any lions, Mummy?", ponders Ruth aloud. I stifle the urge to giggle. The indistinct shapes around us start moving. And mooing. I reassure Ruth that there are no wild lions in Scotland. No, darling, no tigers either. Ruth is satisfied. Mummy and Daddy hold our breath - what will a field full of cows make of a family of cycle tourists turning up in the pitch dark and tramping across their field?