Stop press!! BBC Radio 4 09:10 - 0930 approx - interview with a crop circle devotee. Today.
In other words,they are all man-made?
Nah, you're wrong there. All frogs are man-made. Clearly.Ah.
Well, call me unreasonable, but I wouldn't be surprised to find a frog with wings, whose butt doesn't bump the ground when he lands.