A post-tensioned stone frame by engineering firm Webb Yates is among the exhibits in the architecture rooms of this year's Royal Academy of Arts summer exhibition, curated by London studio Assemble.
Webb Yates worked with The Stonemasonry Company to create a frame made from cored cylinders of waste limestone joined together with tensioned steel rods, aiming to showcase stone as a modern, low-carbon structural material.
It is one of the many pieces displayed at the annual Royal Academy of Arts summer exhibition...