🇮🇱 Israel · Hydraulic works
Gihon Spring and Warren's Shaft (City of David water system, Jerusalem)
Middle Bronze II to Iron Age IIA–B (1800–580 BCE) · Canaanite (Middle Bronze) → Jebusite / Israelite–Judite
Jerusalem's 1800 BCE–701 BCE fortified perennial spring and karst shaft — 1,500-year water-security evolution.