Did you know?
Height of Mount Everest (8.85 km) is 40 x Height of the Hoover dam wall (221.4 m)
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Land used for permanent pasture in Zambia (2011) (2,480 km^2)
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.