London Bridge. London Bridge is a historic bridge spanning the River Thames in London, connecting the City of London to Southwark.
   In art, London Bridge is often portrayed as a symbol of London’s history and transformation, depicted in various styles from medieval representations of its fortified structure and bustling markets to more modern interpretations emphasizing its connection to the city's urban development. It appears in paintings, engravings, and photographs, sometimes symbolizing change, such as in J.M.W.
   Turner's atmospheric landscapes, and in more contemporary works, where it can evoke themes of industrialization or nostalgia for the city's past. Several bridges named London Bridge have spanned the River Thames between the City of London and Southwark, in central London.
   The current crossing, which opened to traffic in 1973, is a box girder bridge built from concrete and steel. It replaced a 19th-century stone-arched bridge, which in turn superseded a 600-year-old stone-built medieval structure.
   This was preceded by a succession of timber bridges, the first of which was built by the Roman founders of London. The current bridge stands at the western end of the Pool of London and is positioned 30 metres upstream from previous alignments. The approaches to the medieval bridge were marked by the church of St Magnus-the-Martyr on the northern bank and by Southwark Cathedral on the s
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