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 active aged aging alone animal beachcomber black brown canine collar colorful colors colourful colours companion cool curious dog Ears edge eyes face features footprints friendly fun fur furry graying greying intelligent man’s best friend mottled nose old paw prints paws pet ripples tongue walk walking water water’s edge wavelets waves wet aerial aerial roots growing growth low tide mangrove growth mangroves natural ocean edge ocean waterline pebbles plants receded receding receding tide root network Roots salt-resistant security support tidal tides waterline ancient backdrop cliff copy copyspace dressed erode eroded erosion fossil geological geology grain grainy grit gritty grunge grungy mason masonry material orange outcrop oxide patina pattern rock rockface rusty sandstone sandy sediment sedimentary space stone wallpaper weathered