Did you know? Duration of Pandyan Empire (South India) (1,850 y) is 400 x Period of Ceres's orbit (4.6 y)
Land used for permanent crops in Czechia (2018) (772 km^2)
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Land used for permanent crops in Czechia (2018) (772 km^2)
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.