steampunk inspired cityscape with towering gears, intricate architecture, and dramatic sunset wallpaper background

futuristicdesign industrialdesign mechanicalworld retrofuturistic mechanicalcity steampunkstyle architecture machineryart urbanfantasy imaginative background industrial mechanical futuristic gearsystem innovation historical steampunk cityscape intricate wallpaper buildings machinery fashioned victorian aesthetic inspired towering dramatic metallic artistic detailed creative vintage fantasy skyline sunset towers wheels design unique gears retro smoke urban steam city old sci