background conglomerate crystalline hard natural nature rock rough texture dappled green jumbled marble patterned polished red smooth stone white close-up color colour granite gray grey growth life macro moss moss-covered plants rocks solid sprouting surface textures abstract aggregate appearance blue-metal chips coarse coloring colors colouring colours component constructed contours contrast contrasts decorative garden garden-fill gravel ground-cover mulch path stones stonework surfaces angles concrete crack dividing-line drive driveway groove line linear mixed mixture moss-growth rocky straight