EmergIng from the IncreasIngly murky depths of the sea, GrIt navIgates the peculIar shIftIng landscape of the aggregates Industry—where materIals formed over mIllennIa, on a gradual passage to the bottom of the ocean, are dredged up and deposIted back onto land to rIse back up to form the buIldIngs and archItecture that surround us.