East Asian Trade

Season 2, Episode 7: East Asian Trade
Knife Money, objectively the coolest form of legal tender ever created. These knives come from the Yan State. Source: PENG Yanan (Neo-Jay) / CC BY-SA (http://creativecommons.org/licenses/by-sa/3.0/)
A map of the silk road, which connected the far east and the far west and encouraged trade and idea exchange. Source: Kelvin Case / CC BY-SA (https://creativecommons.org/licenses/by-sa/3.0)
A coin bearing the image of Roman Emperor Constantius II, found in the Xinjiang region of China. Public Domain.