Did you know? Height of Tugela Falls in South Africa (948 m) is 20 x Height of the main mast of the Cutty Sark sailing ship (47 m)
Length of a Marathon race (42.2 km)
/fact/length-of-a-marathon-race
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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.