Lotte World Tower Seoul South Korea

Lotte World Tower (Korean: 롯데월드타워), is a 123-story, 555 m (1,821 ft) supertall skyscraper, located in Sincheon-dong, Songpa-gu, Seoul, South Korea. It is the sixth-tallest building in the world, the tallest in OECD countries, and also the first in South Korea to be over 100 stories tall.
It was the fourth-tallest in the world when completed in 2016.[citation needed] The tower opened to the public on April 3, 2017.[4] Haeundae LCT The Sharp in Busan is the second-tallest building in the country.[5]
A "Sky Bridge Tour" is located on the roof of Lotte World Tower at 541 m (1,775 ft),[6] which is the total height of One World Trade Center in New York City, the tallest building in the United States.