Not because it’s grey, but because it refuses to fade back. A drawn stadium in fine pencil lines pulls the eye across a wall the way a plan or a map does quietly, then completely. Hung up, a flat wall gains structure: all those repeated roof ribs and stand curves give the room a rhythm it did not have before. It earns its keep above a desk, along a hallway, over a sideboard or in a study where people stand close enough to read the detail. Pair it with dark wood, black metal, leather and plain painted walls. Skip the busy patterned wallpaper and skip the row of team photos and shirts beside it the drawing loses its calm the moment it is treated as memorabilia. As canvas the greys read softer and the shape carries further across a room.