Water near the world's largest steel arch bridge in Australia has turned a blood shed of red - and even experts are baffled by what's causing it. The ominous-looking waves of red were spotted by ...

Instead of pushing straight down, the weight of an arch bridge is carried outward along the curve of the arch to the supports at each end. These supports, called the abutments, carry the load and ...

It took 38 tons of red paint to coat the entire bridge. For many years, the Garabit Viaduct remained the tallest bridge in the world. The single railroad track crosses the Garabit Valley ...