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Height of the minaret of Hassan II Mosque in Casablanca (210 m) is 50 x Height of an African elephant (4.2 m)
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Number of airports in the world (41,800 )
If this was a standard unit ...
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.