简介：
Centuries before the world's oceans became a global trade highway, Chinese seafarers set sail to faraway lands to exchange commodities. Now, Historian Sam Willis retraces the golden era of maritime trade to uncover a legacy that culminated in one of the greatest armadas of all time, and discover parallels between the world then and now.
展开
以上影片信息数据采集自互联网，非影猫の仓库创作
数据源
（请自行甄别第三方网页内容）
