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Length of the Nile River (6,850 km) is 20 x Length of the River Thames (346 km)
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Height of K2 mountain (8.61 km)
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.