Did you know?
Distance from London to New York (5,580 km) is about as big as Length of the Siberian Yenisei River (5,540 km)
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Land Area of Nigeria (924,000 km^2)
If this was a standard unit ...
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.