Taipei 101 also known as the Taipei Financial Center, is a landmark  skyscraper  located in Xinyi District, Taipei, Taiwan. The building was the tallest building in the world (with occupiable floors) until it was surpassed in height by the Burj Khalifa on July 21, 2007. The skyscraper was officially the tallest building until the opening of the Burj Khalifa on the 4 of January 2010.