Petronas Twin Towers use to be the tallest building in the world until 2004 when Taipei 101 emerged as the new tallest building. Though no longer be the tallest but still become one of Kuala Lumpur's iconic building and also one of the most photographed apart from Sultan Abdul Samad building complex. The twin towers complex also consist of KLCC park, Suria KLCC retail mall and double decker sky bridge on its 41and 42 floor. The complex also house Malaysian Philharmonic Orchestra and nearby convention center. Tower 1 is fully occupied by Petronas and Tower 2 tenanted by some top Forbes/Fortune company such as Boeing, Microsoft, IBM and also Malaysian's Khazanah Nasional.