The Petronas Towers, also known as the Petronas Twin Towers  are twin skyscrapers in Kuala Lumpur, Malaysia. According to the CTBUH's official definition and ranking, they were the tallest buildings in the world from 1998 to 2004 until surpassed by Taipei 101, but they remain the tallest twin building in the world. The buildings are the landmark of Kuala Lumpur with nearby Kuala Lumpur Tower.[Source]