The Failure of a Glass Roof

There's a sort of assumption that progress is always going forward and that modern building materials must be better than what they used in the old days. That was with the cladding with the aerated concrete that you're talking about. But also you've been in your hat on as nooks and corners cross one. You've been talking about glass buildings as well and problems with those, haven't you? And there from even later, there from the 1990s, right? So we recently covered the situation at the National Glass Centre in Sunderland,. It was one of the first national lottery-funded builds. They were problematic from the start, but it's now reached the end of its survivable