If you're not a map junkie like me, you might not know about the very cool Google Maps and Google Earth (Microsoft has similar products in their Bing search engine).
Here is a satellite view of the Silverstone racing circuit where the British Formula 1 Grand Prix is held each year. At one time, this was a World War II air base. You can see the intersecting landing strips in the center of the course.
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By the way, this is my 200th blog entry. I hope you've enjoyed the ride!