Taipei 101 is currently the world’s tallest completed building on earth with its 509 m height. It is located in the East of Taipei (Xin-Yi district), the capital city of Taiwan. The tower consists of 101 stories above the ground. The top floor is at 439 m. The construction of Taipei 101 (Taipei International Financial Center previously) was started in 1999, and finished in 2004. The total cost was about 1,7 billion US dollars. This tower has the worlds fastest elevators (doubledecker) they can get as fast as 63 km / h. The indoor observation deck is on the 89th floor (382m). The total weight of Taipei 101 is 700,000 tonnes, which is such a mass that could possibly make an earthquake. The structure is capable to withstand the largest earthquakes. The 800 ton damper on the top of the tower can reduce up to 40% of the movements. The Taipei 101 Mall is a 6-story shopping mall inside the building. The former tallest building was the Petronas Towers in Malaysia, Kuala Lumpur with 452 m height, it only held the record for 6 years (built in 1998).