abstract angles appearance background beach coast coastline color colour cracks crannies heavy hollows layers levels limestone ocean rocks rocky rough sand sea seashore seaside seaweed shade shadows shapes shore shoreline Sizes solid stones stony strength strong surface surfaces surfacing texture textured textures uneven variations variety black churned-up dark distinctive foot-prints frame grainy gray grey impressed impressions imprinted imprints indented indistinct light lines marked marks patterns prints shadow-lines soft soft-sand sunlight sunshine surfaced terrain tracks unfocused vague angled backdrop blue colored coloured decorative design detailed display geometric geometrical hard interconnected interlinked linear lined mosaic paint painted Particles patterned perspectives shaped sharp small thick thin various wallpaper bricks colorful colourful concrete Designs detailing footpath grooves ground level path pattern pavement pavers paving paving-bricks smooth stonework