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)
Mass of Empire State Building (331 million kg)
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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.