vibrant cityscape featuring a train in the style of pop art

colorful vibrant energetic lively dynamic urban cityscape pop art style bold colors geometric shapes abstracted buildings highcontrast exaggerated perspective train graffiti street retro aesthetic futuristic feel neon signs bright lights iconic landmarks bustling crowds towering skyscrapers eyecatching compositions lines textures saturated hues striking visual impact playful elements whimsical details cheerful atmosphere mood youthful spirit contemporary classic city scenes nod culture creative expression renewal artistic movement