Beneath the turquoise waters of northern Israel’s Gan Ha-Shelosha National Park, archaeologists have uncovered the remarkable network of a medieval tunnel system that once powered sugar mills in the Mamluk period. Carved into soft tufa rock along Nahal ‘Amal, the tunnels reveal how 14th- to 15th-century engineers transformed brackish spring water into mechanical energy—turning a […]| Archaeology News Online Magazine