Imagine yourself 80 feet below the surface, in complete darkness, squeezed into a narrow tunnel carved through solid rock. Outside, the most feared army of the ancient world, the Neo-Assyrians, marches relentlessly toward Jerusalem. You have only weeks to secure water for your city or face certain death by thirst. This is the dramatic reality King Hezekiah and his people faced in 701 B.C., a moment that sparked one of the most remarkable engineering feats in history: Hezekiah