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
Centre Square (building) called Top of Centre Square was located in Centre Square II. Located on the top floor, it was the highest restaurant in the city's history and closed in 1993. Centre Square (building) Centre Square is an office complex in Center City, Philadelphia, Pennsylvania, United States. The complex consists of two concrete high-rise towers: the Centre Square I (also known as Centre Square East) and the Centre Square II (Centre Square West)—respectively, the 24th- and 15th-tallest buildings in Philadelphia. Designed by Vincent Kling & Associates in the 1960s, Centre Square opened in 1973. The complex is credited with shifting Philadelphia's downtown