Petronas Twin Towers, Kuala Lumpur

Designed by the Argentine-American architect Cesar Pelli, and completed in 1998, these are the world's tallest twin towers.

Each tower has 88 floors plus spires that reach to a height of 452m. Inside the towers, there are offices, a shopping centre, a concert hall and art gallery.

Office worker who want to cross over between towers can take the Skybridge that links the 41st and 42 floors.