will become Bigfoot!” What is Bigfoot, if not a very large brownie? “And you no longer accept the idea of dragons? Fine! How about a Loch Ness Monster instead? Look at her neck! Exactly the same! And to make things more exciting, how about something brand new? Try some messages written in crop circles. That will make you humans think a little, for a change!”

They are still here. They will never go away – they are part of everything – stream, glade, mountain, the subway system, skyscraper, the rocket that goes to Mars, the biggest NASA telescope. They grow and change with us, laughing at us as usual, making a little fun of their old friends. Just as they did 20,000 years ago when we started to pay attention to their shadows in our caves. How boring life would be without them. And it i...

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