Google Earth was developed from Keyhole, a commercial program which had 30 days free trial. I remember it was awesome to see individual cars in London. With this new release even pedestrians are easily discernible. The imaging time seems to be well after noon, so everyone have long shadows.

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Science is a way of trying not to fool yourself. The first principle is that you must not fool yourself, and you are the easiest person to fool.
-- Richard Feynman