Prompt
"Generate an image of a railway line, specifically the Watford DC line, a 17-mile railway line in London and Hertfordshire, with 19 stations, electrified with 750 V DC third rail, and operated by London Overground, with a standard gauge track, connecting London Euston to Watford Junction, passing through various stations, and part of the London Overground network, in a realistic style, with a scenic view of the line, possibly with a train in motion."