tallest building in the world

Designed by Cesar Pelli & Associates, the Petronas twin towers stand at 451.9m and feature a double decker skybridge connecting the two towers on the 41st and 42nd floors.The Petronas Towers, also known as the Petronas Twin Towers (Malay Menara Petronas, or Menara Berkembar Petronas) are twin skyscrapers in Kuala Lumpur, Malaysia. According to the Council on Tall Buildings and Urban Habitat (CTBUH)s official definition and ranking, they were the tallest buildings in the world from 1998 to 2004 and remain the tallest twin towers in the world. The buildings are a landmark of Kuala Lumpur, along with nearby Kuala Lumpur Tower.