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Height of Ben Nevis, highest point in British Isles (1.344 km) is 500 x Height of an ostrich (2.7 m)
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Time since Charles Lindbergh first flew across the Atlantic (92 y)
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.