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Height of the Angel Falls (Venuzeula) (979 m) is 400 x Height of a football goal (2.44 m)
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Height of the Tres Hermanas waterall in Peru (914 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.