Did you know? GDP in Guyana (2017) (3.56 billion USD p/a) is 5 x GDP in Mauritania (2018) (706 million USD p/a)
Length of one Alautun, longest unit in Mayan calendar (63.1 million y)
/fact/length-of-one-alautun-longest-unit-in-mayan-calendar
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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.