abstract appearance backdrop background cascade city color colored colors colour coloured colours feature fountain grooved grooves patterned patterns pedestal running running-water solid stone stone-wall stones stonework surface surfaces texture textures trickling varied water water-feature waterfall wet 2023 ghosts halloween orange pattern scary wallpaper white ghost design illustration lavender lilac magenta purple symmetry violet blue fish green handmade handpainted glass metal ornament ornaments block curves pavement paving squares brick building red wall 2014 decoration evil skull dead