The Petronas Twin Towers hold the title as the tallest building from 1998 to 2004 based on measurements from the main entrance floor to the top structure.
The 86th floor is a place of observation that provides an amazing view.
Skywalk on floors 42 and 43 is also the world's highest sky-bridge connecting the two towers.
The 452m high building has 88 floors and 32,000 windows.