Roman Siphons: The Hydraulic Defiance of Deep Valleys

The image of the Roman aqueduct is dominated by majestic, towering arches marching across the landscape. However, this iconic architecture had strict limitations. When a valley was too deep or too wide for a masonry bridge to safely span, Roman engineers could not rely on simple gravity flow. They had to force water to climb uphill. To conquer these impassable topographical trenches, classical a...