One Canada Square to the Security Director itemising how many people have left the affected floor and how many remain. One Canada Square has a steel pendulum that serves as a tuned mass damper. The pendulum sways to offset movements in the building caused by strong gusts of wind. The building can sway in the strongest winds. The lobby is high, clad in Italian Rosso Levanto and Verde Imperial Guatemalan marbles imported from Italy, Guatemala and Turkey. The marble clad under steel ceilings gives the impression of: ""Rather than entering a corporate reception, you feel as if you’re entering a hushed antespace of
London Guarantee Building Beaux Arts tower. From the 1960s through the 1980s, the studios of Chicago's WLS (AM) radio were located on the fifth floor of the building. For several decades, Paul Harvey performed his daily syndicated radio show from studios on the fourth floor. The building was also famous from the 1950s through the early 1970s for The London House, a famous Chicago jazz nightclub and steakhouse that was located on the west side of the building's first floor; it had its own entrance on Wacker Drive. It was one of the foremost jazz clubs in the country, once home to such