附加组件

with help from nadxxm http://architecture.desktopnexus.com/wallpaper/83113/ Probably the most beautiful bridge on earth, the Golden Gate Bridge was built in 1937 under the lead of chief engineer Joseph Strauss, one year after the Bay Bridges were completed. At the time it was the largest suspension bridge on the globe.The bridge has a total length of almost 9000 ft or 3 km.