Around 870 AD, it looks like the Vikings were importing silk from Iran. @barbarikon @nntaleb @FlemmingDavehttps://twitter.com/caitlinrgreen/status/715976027835604994 …
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I heard a camel can travel 200 miles in a day, which qualifies as high speed transit.
The River Vikings did worse: they navigated rivers & lifted boats across rough spots!
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