Did you know? Length of the longest canal tunnel (Rove Tunnel in France) (7.12 km) is 100 x Length of a Boeing 747 airliner (70.7 m) Tweet this comparison
Forest in Latvia (2011) (1,270 km^2)
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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.