Did you know? Mass of a bottle of champagne (1.6 kg) is 4 x Mass of a violin (400 g)
Length of Yellow River (Huang He) in China (5,460 km)
/fact/length-of-yellow-river-huang-he-in-china
Link
If this was a standard unit ...
"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.