China's "Revolutionary" Concrete Is Already Cracking — Experts Call It a Scam

China's concrete boom used more cement in three years than the US did in the entire 20th century, and some of it is already crumbling. The culprit isn't age or earthquakes. It's salt-soaked sea sand, low-grade fly ash, and shortcuts hidden inside a hundred-year design life. From 31 Shenzhen concrete firms caught cheating to Evergrande's Ocean Flower Island losing 39 towers, here's how the world's biggest building spree started eating itself. Subscribe for more stories buried in the details. #Technology #Future #Innovation #Explained #Infrastructure