Did you know? Height of the Eiffel Tower (324 m) is 2 x Height of Ulm Minster, Germany (161.5 m)
Forest in Australia (2018) (1.338 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.