Did you know? Length of the Great Sphinx of Giza (73 m) is 100 x Maximum length of a tennis racket (737 mm)
Land used for arable in Austria (2018) (13,600 km^2)
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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.