ban banned cigar cigarette disease forbidden health kills lungs nicotine no smoke no smoking prohibit quit risk roadsign sign smoke smokers smoking stop tobacco abstract alien background blue concept cool fill Fractal geometric gray grey lacy original pattern pink scrapbooking seamless Serpinsky shapes squares style texture tile triangles appearance color colored colors colour coloured colours light patterned patterns smooth soft surface surfaced surfaces textured textures wallpaper down going down hand railing handrail long way long way down metal railing rails safety secure shade shadow stairs steel steps sunlight wood wooden alien landscape desktop fantastic fantasy for children future futuristic kids magic magical other rainbow sci-fi science science fiction architecture berlin building business dynamic facade germany glass modern office offices old outlook perspective reflections shape success translucent transparency transparent window windows workplace Australian Cockatoos corellas demonstrative destructive docile flock garden pest grazing Noisy pest pet root eater show-off talker vocal white yellow tail feathers bark betula pendula bumps dashes deciduous raised short stripes silver birch silver birch tree tree tree trunk uneven