Genglubu or Zhenlubu?
10 Jul 2026, 00:00 GMT
Source URL: https://news.cgtn.com/news/2026-07-10/Genglubu-or-Zhenlubu--1ODA0J53m8w/p.html?UTM_Source=cgtn&UTM_Medium=rss&UTM_Campaign=Documentary
The Genglubu wasn't the only handwritten navigation manual used by ancient Chinese sailors. There was also the Zhenlubu, the lesser-known companion to the Genglubu.