"Block" by Rachel Whiteread is a dense, monolithic sculpture that transforms negative space into solid, tangible form through the use of plaster, painted steel, and laminated wood. True to Whiteread's signature practice of casting the unseen voids of everyday objects and architecture, the work renders the invisible visible, inviting viewers to confront the weight and silence of empty space made permanent. The combination of industrial and domestic materials gives the piece a stark, austere presence that hovers between the familiar and the uncanny.