23
POPS10 Most Beautiful Bridges in the World >>We’ve come a long way in bridge building since crossing a river on a fallen log. The first bridges were built with wooden planks, ropes and stones. Soon, stronger material were required. Wood and stone bridges gave way to iron, then to steel ones. Bridge building techniques also evolved: beam, cantilevered, cable-stayed, and suspension bridges - each with advantages that made it the right choice for a particular location. Political fortunes and wars have been made or lost by bridges. Throughout history, bridges had been built by engineers and burned by warriors, and crossed by kings and commoners alike. Millions of people owe their livelihood to bridges, as most require them to commute; and yet thousands of people choose to end their lives by jumping off them every year.<<
4
Top Clips on March 8, 2008
Popular
Pops
Newest Clips
Latest Comments
Print
Save
Turn on live update