Golden Gate Bridge is its official name. A suspens...

Golden Gate Bridge is its official name. A suspension bridge, spanning the Golden Gate, Made by steel. Its width about 1.6 km strait and length about 2.7 km. Connect San Francisco Bay with Pacific Ocean. One of the most internationally recognized symbols of San Francisco, California, and U.S.A. Joseph Strauss designed it in 1917. And opened in 1937. American Society of Civil Engineers declared it Wonder of the Modern world.