Did you know? Length of the Congo River (4,700 km) is 40 x Length of Hadrian's Wall in Northern England (117.5 km)
Land used for permanent pasture in Bahrain (2018) (40.3 km^2)
/fact/land-used-for-permanent-pasture-in-bahrain
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.