• Golden Gate Bridge: Standing on the golden gate strait in San Francisco, California, USA, it is a world-famous bridge and a miracle of modern bridge engineering.The 1,900-meter-long structure, which took four years and used more than 100,000 tons of steel, was designed by bridge engineer Joseph Struss (1870-1938).Because of its historical value, the United Kingdom and the United States co-produced a documentary of the same name in 2007.
  • London Bridge: Built between 1179 and 1209, it is a bridge over the Thames in London, England, which has been rebuilt several times. It is also one of the 28 Bridges over the river, located in the lower reaches of the bridge.London bridge is one of the symbols of London, also known as the main gate of London.
  • Sydney Harbour Bridge: Sydney bridge is a kind of single-arch bridge, once known as the single-arch bridge, is a representative of the early buildings in Sydney.Designed in 1857 and completed in 1932, the bridge was an important link between the north and south sides of the port.