Can you tell what this is?
I’ll give you a hint.
It’s in a London museum.
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Another clue?
I’m guessing it’s about 50 feet across.
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The hole is large enough for people to fit through standing up.
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Ok. I’ve kept you in suspense long enough.
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It’s the entrance to an exhibit about the history of the Earth in the Natural History Museum in London. There is an escalator that goes up through a giant globe. This is a long exposure so the people are blurred.
Here’s another picture so you can see it better.