Puzzles tagged "el" usually center on elevated trains and the urban railways they run on. Expect striking cityscapes framed by steel viaducts, overhead tracks, stations and staircases — often with strong linear perspective, repeating beams and rivets that make for satisfying edge-and-pattern work. Moods range from gritty, industrial and nostalgic to bright, bustling commuter scenes or atmospheric night shots with glowing lights. Great for lovers of architecture, city texture, and bold geometry. Explore for dynamic clouds of motion, graffiti details, and layered urban life.