How Far Can You Abstract a Map? - Atlas Obscura
Can you guess which city is depicted above? If you look closely, there are plenty of clues: the big arterial river, the blocky buildings crowded onto the pier, the carefully plotted streets overlaid by the occasional loop of highway.
Do you have it? This is Chicago, Illinois, as viewed in Morphology, an exploratory cartographic tool on the Mapzen platform that eschews common communicative elements like color and symbols. Instead, it seeks to show the world, and all its constituent parts, as a series of carefully chosen lines.