tron style blueprint on dark grey gradient with no text, long exposure, 
tron style blueprint on dark grey gradient with no text, long exposure, --ar 2:1
tron style blueprint on dark grey gradient with no text
long exposure,
a futuristic circuit board on a black background
an image of a futuristic door on a dark background
an image of a futuristic device with a blue background
a futuristic car is shown on a black background