The Busan Lotte World Tower is a 110-floor, 510.1 m (1,674 ft) supertall skyscraper in Busan, South Korea. Construction started on 9 March 2009 on a site next to Nampo-dong station on Busan Subway Line 1 and completion is expected in 2013, when it will become the third tallest building in the world after Burj Khalifa and One World Trade Center. |