Suwon Hwaseong: The Planned City of Reformer King Jeongjo수원 화성: 개혁 군주 정조가 지은 계획도시

Hwaseong is a 5.7-kilometer stone-and-brick fortress wrapping around the old center of Suwon, about an hour south of Seoul. It looks medieval, but it is surprisingly modern: built in just two years and nine months (1794–1796) under King Jeongjo, the great reformer of the Joseon dynasty. Jeongjo built it partly out of grief — his father, Crown Prince Sado, had died tragically, and the king moved his tomb nearby and envisioned Suwon as a new political base away from entrenched court factions. What makes Hwaseong remarkable is how it was built. Instead of forcing unpaid labor from peasants, as was standard, Jeongjo paid every worker wages and kept meticulous records of names, days worked, and costs — a radical idea influenced by Silhak, Korea's practical-learning movement. His scholar Jeong Yak-yong even designed a crane-like machine, the geojunggi, to lift heavy stones, cutting years off construction. UNESCO listed the fortress as a World Heritage site in 1997, praising its blend of Eastern and Western military engineering. Today you can walk the entire wall loop past graceful gates, watchtowers, and a pavilion overlooking a lotus pond, with the modern city humming just below the ramparts.