Tower Bridge bridge's upper walkways. The pedestrian walkways are above the river at high tide. The main bridge deck carries two lanes of road traffic between two low-level pedestrian walkways across both suspension spans and the opening bascule section of the bridge, with the walkways separated from the roadway by fences. The roadway passes through each of the two towers, whereas the low-level walkways pass around the outside of the towers. One of the chimneys on the bridge, which are often mistaken for lamp posts, connects up to an old fireplace in a guardroom of the Tower of London. It is long-disused.
London Bridge Is Falling Down popular culture. There is considerable variation in the lyrics of the rhyme. The most frequently used first verse is: <poem>London Bridge is falling down, Falling down, falling down. London Bridge is falling down, My fair lady.</poem> In the version quoted by Iona and Peter Opie in 1951 the first verse is: <poem>London Bridge is broken down, Broken down, broken down. London Bridge is broken down, My fair lady.</poem> The rhyme is constructed of quatrains in trochaic tetrameter catalectic, (each line made up of four metrical feet of two syllables, with the stress falling on the first syllable in a pair;