The Volga Trade Route

The Vikings didn't invent crucible steel, so where did it come from? Many experts believe that the Volga trade route supplied Vikings with prized crucible steel from the Middle East, where people were more practiced in the art of forging it.

For more, watch "Secrets of the Viking Sword"
Airing Wednesday, September 25 at 9 pm on PBS
Or watch online at pbs.org/nova/ancient/secrets-viking-sword.html

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