FOR A MOMENT WE STARED at each other in disbelief. Then our heads snapped up. In the small square of visible sky, a huge reptilian body came into view with an enormous wingspan.

Oh. My. GOD!

I gaped at the sight. Gleaming emerald in the afternoon sun, the dragon vanished from view, its huge wings carrying it away swiftly. You could still hear the sound of its wings beating. Like a helicopter, but with a different rhythm. We sat there in a stunned silence.

Holy ...