Taipei 101 (Chinese: 台北101; pinyin: Táiběi yī líng yī; stylized as TAIPEI 101),[1] formerly known as the Taipei World Financial Center, is a skyscraper in Taipei, Taiwan. The building was officially classified as the world's tallest from its opening in 2004 until the 2009 completion of the Burj Khalifa in Dubai, UAE. Upon completion, it became the world's first skyscraper to exceed a height of half a kilometer (about 0.3 miles). Taipei 101 is the tallest building in Taiwan.