Did you know? Mass of a London bus (New Routemaster) (12,650 kg) is 400 x Mass of United States Postal service maximum parcel weight (31.8 kg)
Length of Tiananmen square in Beijing (880 m)
/fact/length-of-tiananmen-square-in-beijing
Link
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.