(A foreigner’s guide to Korea’s massive underground shopping culture — from Gangnam Station to COEX and beyond) When foreigners first arrive in Seoul, they expect skyscrapers, neon signs, K‑pop billboards, and futuristic streets. What they don’t expect is this: A giant shopping mall… underground. Not a small basement store. Not a tiny passageway. But a … Continue reading The Underground City: Why Korea Builds Giant Shopping Centers Below the Streets