Did you know? Mass of Golden Gate bridge (805 million kg) is 4 thousand x Mass of Angel of the North sculpture in Gateshead, UK (200,000 kg)
Exports from Oman (2019) (39.6 billion USD p/a)
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.