ABSTRACT, AND, BACKDROP, BACKGROUND, BLACK, BOULDER, BUILDING, CEMENT, CLOSEUP, CONCRETE, CONSTRUCT, CONSTRUCTION, CRUSHED, DARK, DRY, FOR, GRAIN, GRANITE, GRAVEL, GRAY, GREY, GRIT, GROUND, HARD, HEAP, HIGHWAY, INDUSTRIAL, INDUSTRY, IS, IT, MACADAM, MACRO, MANY, MARBLE, MATERIAL, METAMORPHIC, MIXING, NATURAL, NATURE, OBJECTS, PATH, PATTERN, PEBBLE, PILE, ROAD, ROCK, ROUGH, SAND, STONE, STREET, SURFACE, TEXTURE, TEXTURED, WHITE,