The Petronas Towers are twin skyscrapers in Kuala Lumpur, Malaysia. According to the CTBUH's official definition and ranking, they were thetallest buildings in the world from 1998 to 2004 until surpassed by Taipei 101, but remain the tallest twin buildings ever built, surpassing the World Trade Center. The building is the landmark of Kuala Lumpur with nearby Kuala Lumpur Tower.