Millennium Bridge, London people walking caused small sideways oscillations in the bridge, which in turn caused people on the bridge to sway in step, increasing the amplitude of the bridge oscillations and continually reinforcing the effect. On the day of opening, the bridge was crossed by 90,000 people, with up to 2,000 on the bridge at any one time. Resonant vibrational modes due to vertical loads (such as trains, traffic, pedestrians) and wind loads are well understood in bridge design. In the case of the Millennium Bridge, because the lateral motion caused the pedestrians loading the bridge to directly participate with the bridge,
London Bridge Is Falling Down London Bridge Is Falling Down "London Bridge Is Falling Down" (also known as "My Fair Lady" or "London Bridge") is a traditional English nursery rhyme and singing game, which is found in different versions all over the world. It deals with the depredations of London Bridge and attempts, realistic or fanciful, to repair it. It may date back to bridge rhymes and games of the Late Middle Ages, but the earliest records of the rhyme in English are from the seventeenth century. The lyrics were first printed in close to their modern form in the mid-eighteenth century and became popular,