Rustic steel bridges, industrial aesthetic, minimalist design, clean lines, rectangular forms, functional simplicity, bold color accents, geometric shapes, urban landscapes, river crossings, city skylines, sunny day, high contrast lighting, dramatic shadows, 1/1 composition, symmetrical framing, abstract textures, low-poly geometry, brutalist architecture, exposed ductwork, raw concrete surfaces, metal railings, functional pipes, urban infrastructure, transportation hubs.