Prompt: retrofuturism style, time travel machine, future, time travel, illustration, high quality, details, intricate, atmosphere, highly detailed, cinematic, digital painting, deviantart, cinematic, concept art 
Negative prompt: Horned helmets, Ugly, Morbid, Extra fingers, poorly drawn hands, Mutation, Blurry, Extra limbs, Gross proportions, Missing arms, Mutated hands, long neck, Duplicate, Mutilated, Mutilated hands, poorly drawn face, Deformed, Bad anatomy, Cloned face, Malformed limbs, Missing legs. Too many fingers