Did you know? Highest ascent by a propellor-driven aircraft (2001) (29.52 km) is 5 thousand x Height of tallest recorded giraffe (5.88 m) Tweet this comparison
Land used for arable in Slovenia (2011) (15.98 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.