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 to replace the bridge with a new construction. New London Bridge was opened in 1831 and survived until it was replaced in 1972. It was then transported and reconstructed in Lake Havasu City, Arizona. Several attempts have been made to identify the 'fair lady', 'lady gay', or lady 'lee/lea' of the rhyme. They include: Since the late 19th century the rhyme has been seen as one of the most popular and well known in the English-speaking world. It has also been referenced in both literature and popular culture. London Bridge Is Falling Down "London Bridge Is Falling Down" (also known