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In the Chu heartland, space was not engineered into place—it emerged from the rhythms of wetlands. This chapter examines three archaeological cases—Mopan Mountain City, the Jushui–Daoshui–Sheshui mound systems, and the Jiajiahu Chu City—to illuminate the “growth-based” logic behind Chu urban construction; and draws on the Tianxingguan and Jiudian bamboo texts, together with the spatial order of Jinan City, to show how every act of building required divination, ritual, site-reading, and the consent of the land. Chu architecture was not imposed on terrain; it grew from water, earth, and time.

This chapter argues that a Chu city was not “designed” but generated through the interaction of five forces: landscape, time, materials, movement, and institutions. Drawing on archaeological and geomorphological evidence, it shows how landscape determined the city’s point of emergence, how temporal rhythms pushed construction outward layer by layer, how materials shaped structural form, how bodily movement carved circulation routes, and how institutions anchored the city’s center and periphery. The chapter concludes that: A Chu city = Landscape × Time × Materials × Movement × Institutions. Its form was not imposed from above but emerged naturally through the coordinated action of these forces.