Bridge Golden Gate (Golden Gate Bridge), the world's engineering wonders. Located in the city of San Francisco, with a distance of 2.7 kilometres up 223.5 meter jump the Gulf North of port San Francisco to Marin City, a competitive spiral bridge Golden Gate consists of two steel towers above. Beside each of 230 meters, using a wire, cable, rope bridge, weight pull a diameter 36. Each side of the 2 lines and also have a wire that is based on another tow, 27.572 lines
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