UK: Over 150 schools shut buildings over crumbling concrete © 2023 Deutsche Welle

UK: Over 150 schools shut buildings over crumbling concrete Reinforced Autoclaved Aerated Concrete was used to build school buildings from the 1950s until the 1990s. But it has been found to be prone to crumbling, posing a risk to many schools. https://www.dw.com/en/uk-over-150-schools-close-buildings-over-crumbling-concrete/a-66692257 © 2023 Deutsche Welle