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Number of satellites orbiting the Earth (2015) (4,080 ) is 25 x Number of floors in the Burj Khalifa skyscraper (163 )
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Pop. of Hefei, China (3.35 million people)
"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
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Click here for Podcast: Andrew Elliott interviewed for New Books Network.