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Length of an ice-hockey rink (61 m) is 4 x Women's Olympic Triple Jump record (15.39 m)
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Other land in Saudi Arabia (2011) (400,000 km^2)
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.