backgrounds brown colors colours cream edge edges folds layers mollusc mollusk pearly pitted ridge ridges rim rough seashells shape shapes shell shells Sizes smooth spiral spiraling spiralling surface texture textured textures turns twists types variety white blue bright brown-eggs cardboard cardboard-egg-carton carton colored colorful coloring coloured colourful colouring display displayed egg egg-carton eggs food mixed pack packaging six-pack various abstract angles appearance architectural architecture background color colour contrast contrasting corrosion corrugated corrugations dark decay deterioration elements external metal old perspectives rust rusty surfaces uneven variations wall wearing weathering beach concrete Jetty levels long jetty low tide ocean perspective posts pylons railings rock formations rocks rocky safety sand security shipping ships strength strong support support legs tidal tides water