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It was most used in antiquity, when silk was taken westwards and wool and precious metals eastwards, but was again travelled in the later middle ages, notably by Marco Polo.古时候最为通行。那时丝绸经此路西运，羊毛和贵金属经此路东运。中世纪后期再次成为旅行者之路。最著名者有马可·波罗之中国行。

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