Prompt
"Generate an image of a Bombardier Aventra, specifically a Class 345, in the livery of Transport for London, standing on a railway track with the London cityscape in the background, showcasing its sleek, modern design and aluminium body, with sliding plug doors and a typical length of 20m per car, under 25 kV AC overhead and 750 V DC third rail electrification, with a maximum speed of 90-100 mph."