UNDERWATER foundations of a bridge that collapsed into a river were not checked at its last inspection. Spey Viaduct, which ...
Much of Walsh's time in office has focused on "quality-of-life fixes that make daily life better," as observer put it.
UNDERWATER foundations of a bridge that collapsed into a river were not checked at its last inspection. Spey Viaduct, which stood for almost 140 years, collapsed into the river of the same name on ...
Archaeologists in Pompeii discovered a workshop that combined two elements that allowed the concrete to “heal” itself.