The Gateway of the East: Historical Mirror, Sealing, and Opening of the World-Class Deep-Water Port of Sandu'ao

A harbor with an outlet merely 2.6 kilometers wide, yet an inland sea area of 614 square kilometers. Water depths of 10 to 50 meters — enough for 10,000-ton vessels to sail freely. This is Sandu’ao. Geologists call it “one of the world’s rarest natural harbors.” But for five centuries, this world-class deep-water port was repeatedly sealed — from Ming Dynasty patrol boats, to the Qing Great Clearance, to scuttled ships during the War of Resistance. ...

June 1, 2026 · 5 min · 922 words · ChinaRoots 团队