Did you know?
Total value of all gold ever mined ($7.5trillion) is 25 x GDP in Portugal (2015) (301 billion USD p/a)
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Length of a Boeing 747 airliner (70.7 m)
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.