Did you know? GDP in Namibia (2019) (12.37 billion USD p/a) is 5 x GDP in Lesotho (2019) (2.462 billion USD p/a)
Mass of a half-filled sandbag as used in flood control (13.6 kg)
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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.