Of all the miracles of engineering, I am most impressed by suspension bridges. Instead of being held up from the bottom, they are suspended from the top, as if they were floating in the air. The ...
(CNN) — It's just physics. Friendly civil engineering. Take a load bearing deck held by vertical suspender cables attached to larger main support lines anchored by a pair of towers and the ground -- ...
Top 20: Longest suspension bridges in the world ...