An 800 ton mass damper helps stabilize the tower in high winds and

quakes. This damper is an enormous ball of welded steel plates hanging inside the top of the building, and is visible from the restaurant and bar which encircles the space around the ball.Location: Taipei, TaiwanConstructed: 1999-2004 Height: Total 509.2m, Top floor 439.2m Floor count: 101Elevator count: 61, with 2 double-decker elevators