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Length of South America (North to South) (7,150 km) is 4 x Length of the Beijing-Hangzhou Grand Canal (1,794 km)
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Duration of Byzantine Empire (1,123 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.