Raising and lowering Chicago’s bridges
For many of us, Chicago’s bridges are just an everyday part of life, rarely considered outside those unfortunate and annoying moments when we find ourselves waiting for a bridge to lift to let boats pass. It becomes so easy to forget how impressive these bridges are, not only as amazing pieces of complex engineering, but also as a defining part of what makes Chicago unique. Chicago is reputed to have more movable bridges than any other city in the world, […]