Lotte World Tower (Hangul: 롯데 월드 타워) is a 123-floor, 555-meter (1,821 ft) super tall skyscraper located in Seoul, South Korea. It opened on April 11, 2017 and is currently the tallest building in South Korea, and is the 5th tallest building in the world.
After 13 years of planning and site preparation, the tower gained final approval to construction by the government in November 2010 and the first groundbreaking activities of piling and frame assembly were observed at the construction site in March.
