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Pop. of Hyderabad, India (6.81 million people) is 500 x Number of airports in the United States (13,500 )
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Forest in Kenya (2011) (35,400 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.