Flat architectural elevation illustration of houses and apartment blocks drawn straight-on like a blueprint, clean outlines, window grids and flat tinted facades of a row of suburban houses with a for-sale sign on the lawn under a heavy grey sky, a single key on a table in the foreground, limited palette of near-black ink and slate blue on plain white (the only colour besides black is slate blue), bold simple silhouettes, generous empty space, magazine infographic style, no text, no letters, no numbers, no border
