Prompt
"Generate an image of a bustling London Underground station with a distinctive brutalist architecture, featuring a large, imposing entrance on Aldersgate Street, with the iconic Barbican Centre in the background, and multiple lines (Circle, Hammersmith & City, and Metropolitan) converging at this major transport hub in the heart of the City of London, with a classic Tube sign reading 'Barbican' above the entrance; style: realistic and detailed, with a muted color palette reflecting the station's urban setting."