Genglubu: Charting the South China Sea
9 Jul 2026, 00:00 GMT
Source URL: https://news.cgtn.com/news/2026-07-09/Genglubu-Charting-the-South-China-Sea-1OBGuJ1coq4/p.html?UTM_Source=cgtn&UTM_Medium=rss&UTM_Campaign=Documentary
Long before satellites, weather forecasts and digital charts, generations of Chinese sailors crossed the South China Sea – and sailed far beyond it – with little more than a compass and a handwritten manual known as the Genglubu.