"Sales of units in a pair of high-rise condominiums in the Tokyo Bay area have been suspended due to the possibility that the concrete used to build them was substandard.
The twin skyscrapers, each 189 meters tall with 53 floors, were being built in the Toyomi district of Tokyo's Chuo Ward." https://www3.nhk.or.jp/nhkworld/en/news/20240404_12
All modern buildings in Japan must be built to the highest standards.
https://en.wikipedia.org/wiki/List_of_tallest_structures_in_Japan
