Realistic, theme is "Train that transcends time and space", a mysterious train glowing pale blue runs on the rails of a city subway in the middle of the night, the train is an old-fashioned subway car, the car is filled with many passengers dressed in retro clothes, a skeleton sits in the driver's seat and drives the car, there is a steam-like mist all around, sophisticated design, advanced lighting technology, real-life photo 8K quality