Did you know?
Height of Kingda Ka, highest roller coaster (139 m) is about as big as Height of the Great Pyramid of Giza (139 m)
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Land used for permanent pasture in Puerto Rico (2011) (14.21 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.