Lotte World Tower, which was completed in 2019, is the fifth tallest building in the world and is located in Seoul, South Korea. The observation platform of this 123-story tower is a little different and exciting, in addition to being surrounded by glass, its floor is also made of glass.

Height and Ranking:
The tower stands at an impressive 555 meters (1,821 feet), making it the sixth-tallest building in the world.
It holds the distinction of being the tallest building in OECD countries.
When it was completed in 2016, it was the fourth-tallest building globally  3 $DEGEN