Guanghai: Taishan's Historic Port Town and Its Maritime Diaspora The Fortress by the Sea The year was 1387. The Hongwu Emperor, Zhu Yuanzhang, founder of the Ming dynasty, looked at his coastline and saw vulnerability. Japanese pirates — wokou (倭寇, wōkòu) — had been raiding settlements from Shandong to Guangdong. His answer was the largest…