With the completion of the 100th floor, Lotte Group invited a group of reporters on Thursday to take a peek at the Lotte World Tower, still under-construction, in Jamsil, southern Seoul. The building is currently the tallest building in Korea. [...]

While the view is awe-inspiring, the fate of the Lotte World Tower hangs in balance, especially after the 2014 Sewol disaster which resulted in more than 300 people dead. — Korea JoongAng Daily

For the developers of the world's sixth tallest building near Seoul, a mysteriously shrinking lake and the appearance of small sinkholes in residential neighborhoods couldn't have come at a more inopportune time [...]
With about 70 of its 123 floors completed, the Lotte World Tower is now undergoing a review by experts and has put on hold the opening of adjacent low-rise buildings that form part of its complex. — Associated Press