abstract appearance architectural background colors colours concrete decorative Designs details distinct distinctive edged edges embedded exterior external gray grey heavy interconnected interlinked light linear lined mosaic patterned pebbles protective rough secure shapes Sizes solid stones strength strong surface surfaced surfaces texture textured textures thick uneven varied various wall wallpaper coast coastline color colour cracks crannies hollows layers levels limestone ocean rocks rocky sand sea seagull seashore seaside shade shadows sharp shore shoreline stony sunlight sunshine surfacing surge surging swirl swirling tidal tides variations variety waves apparition apparitional creature creepy dark disembodied eerie face facial features ghastly ghostly ghoul ghoulish halloween haunted illusory monster monstrous orange patterns perspectives phantasm phantasmal phantom. presence purple round rubbery scary shape shaped smile smiling specter spectral spectre spook spooky unearthly weird art-glass artistic artistry blended bubbled bubbles bubbly coloration colored coloured contrast craftsmanship curved curves flowers glass lighting lines liquidy rounded stained-glass style thin vibrant abundant bright circular colorful colourful connect connectors fun games geometric join. joining multicolored multicoloured pieces plastic plentiful recreation rimmed rims toys wheels basic bits black broken brown chips coloring colouring contrasting design designed floor grouting irregular simple tarnished tiles tiling weathered white