Did you know?
Height of the Gateway Arch in St Louis (192 m) is 2 x Height of the Elizabeth Tower (home to Big Ben) in London (96 m)
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Land Area of Senegal (196,700 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.