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Length of the Argentina-Chile border (5,150 km) is 400 x Length of the Marina beach in Chennai, India (13 km)
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Men's Olympic Triple Jump record (18.09 m)
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.