Example 5 Petronas Towers Kuala Lumpur, Malaysia   This picture taken from Skyscrapers.org. *** The Petronas Towers are 452 meters tall, connected by a steel skybridge 170 meters from the ground, on the 41st and 42nd floors.***     This picture taken from RWDI. ***A view of the skybridge from the ground.***     This picture taken from RWDI. ***This is one of the TMDs designed by RWDI for the Petronas Towers. Notice the spring and mass components of the TMD?***