a beautiful hyper realistic ultra detailed lifelike matte painting of victorian style steampunk fantasy city, air polution,, factorys, steampunk robots, unreal engine, deviantart, flickr, artstation, octane render, textured, colorful, extreme realistic detail, physically based rendering, pbr render, very detailed, volumetric lighting, detailed lighting, octane render, 4 k, cinematic lighting, 8 k resolution