Why I think roundabouts are brilliant...

I'm from Milton Keynes, and have used a roundabout thousands of times. We don't think about it, but I think they say a lot about us as human beings, and our ability to interact whilst doing complicated things, like driving. Am I alone...?

The first roundabout - arguably the first real roundabout in the world - is said to be in Letchworth Garden City. I went to see it...